{"id":4573,"date":"2026-06-14T12:14:23","date_gmt":"2026-06-14T12:14:23","guid":{"rendered":"https:\/\/www.copahost.com\/blog\/?p=4573"},"modified":"2026-06-16T17:03:17","modified_gmt":"2026-06-16T17:03:17","slug":"http-error-500-in-wordpress","status":"publish","type":"post","link":"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/","title":{"rendered":"HTTP Error 500 in WordPress: The Complete Guide to Causes and Fixes"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>HTTP Error 500 in WordPress is a generic server-side error that means something went wrong on the server while loading your site, but the server can&#8217;t say exactly what.<\/strong> It shows no useful detail by design \u2014 which is why fixing it is really a process of elimination.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your site shows a database message instead of a generic 500 \u2014 &#8220;Error establishing a database connection&#8221; \u2014 that&#8217;s a different fault with its own fix; see our guide to <a href=\"https:\/\/www.copahost.com\/blog\/error-establishing-a-database-connection-in-wordpress\/\">the Error establishing a database connection in WordPress<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your WordPress site is suddenly showing a blank page or an &#8220;HTTP ERROR 500&#8221; message, don&#8217;t panic. It&#8217;s one of the most common WordPress errors, and the vast majority of cases come down to a handful of causes: a plugin or theme conflict, a corrupted <code><a href=\"https:\/\/www.copahost.com\/blog\/htaccess\/\">.htaccess<\/a><\/code> file, an exhausted PHP memory limit, or a server-side issue. This guide walks you through every known cause and every fix, in the exact order you should try them \u2014 from the 30-second checks that solve most cases to the deeper server-level diagnostics.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/error-500-in-wordpress-in-chrome-1024x683.png\" alt=\"\" class=\"wp-image-4574\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/error-500-in-wordpress-in-chrome-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/error-500-in-wordpress-in-chrome-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/error-500-in-wordpress-in-chrome-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/error-500-in-wordpress-in-chrome.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#What_is_HTTP_Error_500_in_WordPress\" title=\"What is HTTP Error 500 in WordPress?\">What is HTTP Error 500 in WordPress?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#The_different_faces_of_the_500_error\" title=\"The different faces of the 500 error\">The different faces of the 500 error<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#What_causes_HTTP_Error_500_in_WordPress\" title=\"What causes HTTP Error 500 in WordPress?\">What causes HTTP Error 500 in WordPress?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#How_to_fix_HTTP_Error_500_in_WordPress_step_by_step\" title=\"How to fix HTTP Error 500 in WordPress (step by step)\">How to fix HTTP Error 500 in WordPress (step by step)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#1_Reload_the_page_and_clear_your_browser_cache\" title=\"1. Reload the page and clear your browser cache\">1. Reload the page and clear your browser cache<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#2_Clear_your_WordPress_and_server_cache\" title=\"2. Clear your WordPress and server cache\">2. Clear your WordPress and server cache<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#3_Deactivate_all_plugins\" title=\"3. Deactivate all plugins\">3. Deactivate all plugins<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#4_Switch_to_a_default_theme\" title=\"4. Switch to a default theme\">4. Switch to a default theme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#5_Regenerate_the_htaccess_file\" title=\"5. Regenerate the .htaccess file\">5. Regenerate the .htaccess file<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#6_Increase_the_PHP_memory_limit\" title=\"6. Increase the PHP memory limit\">6. Increase the PHP memory limit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#7_Increase_the_PHP_timeout_and_upload_limits\" title=\"7. Increase the PHP timeout and upload limits\">7. Increase the PHP timeout and upload limits<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#8_Check_your_PHP_version\" title=\"8. Check your PHP version\">8. Check your PHP version<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#9_Check_wp-configphp_and_the_database_connection\" title=\"9. Check wp-config.php and the database connection\">9. Check wp-config.php and the database connection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#10_Re-upload_core_WordPress_files\" title=\"10. Re-upload core WordPress files\">10. Re-upload core WordPress files<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#11_Check_file_permissions\" title=\"11. Check file permissions\">11. Check file permissions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#12_Enable_WordPress_debugging_to_find_the_real_cause\" title=\"12. Enable WordPress debugging to find the real cause\">12. Enable WordPress debugging to find the real cause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#13_Check_the_server_error_logs\" title=\"13. Check the server error logs\">13. Check the server error logs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#14_Contact_your_hosting_provider\" title=\"14. Contact your hosting provider\">14. Contact your hosting provider<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#How_to_prevent_HTTP_Error_500_in_the_future\" title=\"How to prevent HTTP Error 500 in the future\">How to prevent HTTP Error 500 in the future<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#Frequently_asked_questions_about_HTTP_Error_500_in_WordPress\" title=\"Frequently asked questions about HTTP Error 500 in WordPress\">Frequently asked questions about HTTP Error 500 in WordPress<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.copahost.com\/blog\/http-error-500-in-wordpress\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_HTTP_Error_500_in_WordPress\"><\/span>What is HTTP Error 500 in WordPress?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The HTTP 500 Internal Server Error is a standard HTTP status code that any website can return, not just WordPress. (For the broader, non-WordPress-specific picture, see our guide on <a href=\"https:\/\/www.copahost.com\/blog\/how-to-fix-500-internal-server-error\/\">how to fix the 500 internal server error<\/a>.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It signals that the web server encountered an unexpected condition that stopped it from fulfilling the request. The keyword is <em>unexpected<\/em>: unlike a 404 (page not found) or a <a href=\"https:\/\/www.copahost.com\/blog\/403-unauthorized-error\/\">403 (forbidden)<\/a>, the 500 error doesn&#8217;t identify the problem \u2014 it only reports that one exists.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Because the error happens on the server side, it affects both the front end (what visitors see) and the back end (your <code><strong>wp-admin<\/strong><\/code> dashboard). In some cases the dashboard stays accessible while the front end is down, or vice versa \u2014 and that difference is itself a useful diagnostic clue, as we&#8217;ll see.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_different_faces_of_the_500_error\"><\/span>The different faces of the 500 error<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The same underlying error can appear in several ways depending on your browser, server software, and WordPress configuration. You might see any of these:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A plain white screen (often called the &#8220;White Screen of Death&#8221;). A message reading &#8220;HTTP ERROR 500&#8221;. A box saying &#8220;Is currently unable to handle this request. HTTP ERROR 500&#8221;. The text &#8220;500 Internal Server Error&#8221; with a reference to Nginx or Apache. Or, if WordPress debugging is on, a message like &#8220;There has been a critical error on this website.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">All of these point to the same family of problem. The fixes below apply regardless of which variation you&#8217;re seeing.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Different-variations-of-the-WordPress-500-internal-server-error-1024x683.png\" alt=\"Different variations of the WordPress 500 internal server error\" class=\"wp-image-4575\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Different-variations-of-the-WordPress-500-internal-server-error-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Different-variations-of-the-WordPress-500-internal-server-error-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Different-variations-of-the-WordPress-500-internal-server-error-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Different-variations-of-the-WordPress-500-internal-server-error.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_causes_HTTP_Error_500_in_WordPress\"><\/span>What causes HTTP Error 500 in WordPress?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before jumping into fixes, it helps to understand the usual suspects. Most of the time, this error occurs due to one of a small number of reasons, and most 500 errors are caused by plugin or theme conflicts. Here are the main causes, roughly from most to least common:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A plugin or theme conflict \u2014 by far the most frequent trigger, especially right after installing or updating something. A corrupted <code><strong>.htaccess<\/strong><\/code> file, which is one of the most frequent causes of the HTTP 500 error because it controls redirects, permalinks, and security rules. An exhausted <a href=\"https:\/\/www.copahost.com\/blog\/increase-php-memory-limit-cpanel\/\">PHP memory limit<\/a>, when your site needs more memory than the server allows. A PHP version incompatibility, since WordPress has minimum PHP version requirements, and plugins often have their own. Corrupted core WordPress files. Incorrect file permissions. And finally, genuine server-side problems on your host&#8217;s end.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The table below maps each cause to its telltale signs, so you can often guess the culprit before you start.<\/p>\n\n\n\n<!-- ====================================================================\n     Diagnostic table: HTTP 500 causes vs. symptoms \u2014 Copahost\n     Self-contained. Classes prefixed \"h5x-\".\n     ==================================================================== -->\n<div class=\"h5x-tab\">\n  <style>\n    .h5x-tab{\n      --ink:#1f2430;--muted:#6b7280;--line:#e7e9ee;--soft:#f7f8fa;--accent:#d6453d;\n      font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n      color:var(--ink);max-width:760px;margin:32px 0;-webkit-font-smoothing:antialiased;\n    }\n    .h5x-tab *{box-sizing:border-box;}\n    .h5x-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;\n      box-shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.05);}\n    .h5x-row{display:grid;grid-template-columns:1fr 1.3fr 1fr;border-bottom:1px solid var(--line);}\n    .h5x-row:last-child{border-bottom:none;}\n    .h5x-row.h5x-head{background:var(--soft);}\n    .h5x-cell{padding:14px 16px;line-height:1.45;}\n    .h5x-head .h5x-cell{font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.02em;}\n    .h5x-cause{font-weight:700;color:var(--accent);}\n    .h5x-cell.h5x-d{color:#374151;}\n    @media (max-width:600px){\n      .h5x-row{grid-template-columns:1fr;}\n      .h5x-head{display:none;}\n      .h5x-cell{padding:5px 16px;}\n      .h5x-cause{padding-top:14px;}\n      .h5x-cell:last-child{padding-bottom:14px;}\n      .h5x-d::before{content:attr(data-label);display:block;font-weight:600;color:var(--muted);margin-bottom:2px;}\n    }\n  <\/style>\n\n  <div class=\"h5x-card\">\n    <div class=\"h5x-row h5x-head\">\n      <div class=\"h5x-cell\">Likely cause<\/div>\n      <div class=\"h5x-cell\">Telltale sign<\/div>\n      <div class=\"h5x-cell\">Go to fix<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">Plugin \/ theme conflict<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Error appeared right after installing or updating a plugin or theme<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Steps 3 &amp; 4<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">Corrupted .htaccess<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Whole site down, often after a permalink or security-plugin change<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Step 5<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">PHP memory exhausted<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Error on heavy pages, imports, or in wp-admin only<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Step 6<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">PHP version incompatibility<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Started after a PHP upgrade by you or your host<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Step 7<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">Corrupted core files<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Error after an interrupted update or file upload<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Step 8<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">Wrong file permissions<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Error after a migration or manual permission change<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Step 9<\/div>\n    <\/div>\n    <div class=\"h5x-row\">\n      <div class=\"h5x-cell h5x-cause\">Server-side issue<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Telltale sign\">Nothing changed on your end; other sites on the server may be affected too<\/div>\n      <div class=\"h5x-cell h5x-d\" data-label=\"Go to fix\">Steps 11 &amp; 12<\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_fix_HTTP_Error_500_in_WordPress_step_by_step\"><\/span>How to fix HTTP Error 500 in WordPress (step by step)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Work through these solutions <strong>in order<\/strong>. They&#8217;re arranged from quickest and lowest-risk to most technical, which is the smartest way to troubleshoot a vague error \u2014 you rule out the simple causes before touching server files.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">First, narrow it down: where does the error appear?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Before working through the fixes, take ten seconds to check <em>where<\/em> the 500 error shows up. This single observation often points straight to the cause and can save you several steps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Try loading two things: your public site (the front end) and your dashboard login at <code>\/wp-admin<\/code>. Whether each one works, errors out, or loads partially tells you a lot.<\/p>\n\n\n\n<!-- ====================================================================\n     Diagnostic table: where the 500 error appears \u2014 Copahost\n     Self-contained. Classes prefixed \"h5w-\".\n     ==================================================================== -->\n<div class=\"h5w-tab\">\n  <style>\n    .h5w-tab{\n      --ink:#1f2430;--muted:#6b7280;--line:#e7e9ee;--soft:#f7f8fa;--accent:#d6453d;\n      font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n      color:var(--ink);max-width:760px;margin:28px 0;-webkit-font-smoothing:antialiased;\n    }\n    .h5w-tab *{box-sizing:border-box;}\n    .h5w-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;\n      box-shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px rgba(16,24,40,.05);}\n    .h5w-row{display:grid;grid-template-columns:1.1fr 1.4fr 1fr;border-bottom:1px solid var(--line);}\n    .h5w-row:last-child{border-bottom:none;}\n    .h5w-row.h5w-head{background:var(--soft);}\n    .h5w-cell{padding:14px 16px;line-height:1.45;}\n    .h5w-head .h5w-cell{font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.02em;}\n    .h5w-sym{font-weight:700;color:var(--accent);}\n    .h5w-cell.h5w-d{color:#374151;}\n    @media (max-width:600px){\n      .h5w-row{grid-template-columns:1fr;}\n      .h5w-head{display:none;}\n      .h5w-cell{padding:5px 16px;}\n      .h5w-sym{padding-top:14px;}\n      .h5w-cell:last-child{padding-bottom:14px;}\n      .h5w-d::before{content:attr(data-label);display:block;font-weight:600;color:var(--muted);margin-bottom:2px;}\n    }\n  <\/style>\n\n  <div class=\"h5w-card\">\n    <div class=\"h5w-row h5w-head\">\n      <div class=\"h5w-cell\">What you see<\/div>\n      <div class=\"h5w-cell\">Most likely cause<\/div>\n      <div class=\"h5w-cell\">Start with<\/div>\n    <\/div>\n    <div class=\"h5w-row\">\n      <div class=\"h5w-cell h5w-sym\">Front end down, wp-admin works<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Most likely cause\">A plugin or theme conflict \u2014 the front end loads them, the dashboard may not<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Start with\">Deactivate plugins &amp; test theme<\/div>\n    <\/div>\n    <div class=\"h5w-row\">\n      <div class=\"h5w-cell h5w-sym\">Both front end and wp-admin down<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Most likely cause\">A site-wide issue: .htaccess, PHP memory, PHP version, core files, or the server<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Start with\">.htaccess, memory &amp; PHP checks<\/div>\n    <\/div>\n    <div class=\"h5w-row\">\n      <div class=\"h5w-cell h5w-sym\">Only wp-admin down<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Most likely cause\">The admin area&#8217;s higher memory needs, or a corrupted file in \/wp-admin\/<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Start with\">Increase memory; re-upload core<\/div>\n    <\/div>\n    <div class=\"h5w-row\">\n      <div class=\"h5w-cell h5w-sym\">Error only on one page or action<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Most likely cause\">A PHP timeout or memory limit hit during a heavy task (import, upload, backup)<\/div>\n      <div class=\"h5w-cell h5w-d\" data-label=\"Start with\">Raise PHP timeout &amp; limits<\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The reason this works: plugins and themes load on the front end, so a conflict there often leaves <code><strong>wp-admin<\/strong><\/code> reachable \u2014 which is lucky, because it lets you fix the problem from the dashboard. When <em>both<\/em> sides are down, the cause is usually deeper and shared by the whole site: the <code><strong>.htaccess<\/strong><\/code> file, the PHP memory limit, a PHP version mismatch, corrupted core files, or a server-side issue. And when the error appears <em>only<\/em> in <code>wp-admin<\/code>, the admin area&#8217;s higher memory needs or a corrupted file in the <strong><code>\/wp-admin\/<\/code> <\/strong>folder are the usual suspects.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep what you find in mind as you go through the steps below \u2014 it tells you which ones to try first.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<!-- ====================================================================\n     Caixa de alerta (warning) \u2014 \"back up your site first\"\n     Self-contained. Classes prefixed \"h5x-warn-\".\n     ==================================================================== -->\n<div class=\"h5x-warn\">\n  <style>\n    .h5x-warn{\n      --bg:#fff8e6;--border:#f2c94c;--bar:#e6a817;--ink:#5c4708;--icon:#d99405;\n      font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n      max-width:760px;margin:28px 0;display:flex;gap:14px;\n      background:var(--bg);border:1px solid var(--border);border-left:5px solid var(--bar);\n      border-radius:12px;padding:18px 20px;color:var(--ink);line-height:1.6;\n      -webkit-font-smoothing:antialiased;\n    }\n    .h5x-warn *{box-sizing:border-box;}\n    .h5x-warn-ico{flex:0 0 auto;width:24px;height:24px;color:var(--icon);margin-top:1px;}\n    .h5x-warn-body{margin:0;}\n    .h5x-warn-body strong{color:#3f3005;}\n  <\/style>\n\n  <svg class=\"h5x-warn-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\">\n    <path d=\"M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z\"\/>\n    <line x1=\"12\" y1=\"9\" x2=\"12\" y2=\"13\"\/>\n    <line x1=\"12\" y1=\"17\" x2=\"12.01\" y2=\"17\"\/>\n  <\/svg>\n\n  <p class=\"h5x-warn-body\"><strong>Important: back up your site first.<\/strong> Before changing any files or settings, make a full backup of your WordPress site (files and database). If your host offers one-click backups, use that; otherwise, download your files via FTP and export your database. A backup means any step below is reversible.<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The diagram below shows the overall troubleshooting flow you&#8217;ll follow.<\/p>\n\n\n\n<!-- ====================================================================\n     Troubleshooting flow: HTTP 500 WordPress \u2014 Copahost\n     Self-contained SVG. Scales to container width.\n     ==================================================================== -->\n<div class=\"h5x-flow\">\n  <style>\n    .h5x-flow{--muted:#6b7280;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;max-width:760px;margin:32px 0;}\n    .h5x-flow svg{width:100%;height:auto;display:block;}\n    .h5x-flow-cap{color:var(--muted);margin-top:10px;text-align:center;}\n  <\/style>\n  <svg viewBox=\"0 0 760 470\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"Step-by-step flowchart for fixing the WordPress HTTP 500 error\">\n    <defs>\n      <marker id=\"h5xar\" markerWidth=\"9\" markerHeight=\"9\" refX=\"7\" refY=\"3\" orient=\"auto\" markerUnits=\"strokeWidth\">\n        <path d=\"M0,0 L7,3 L0,6 Z\" fill=\"#9aa3af\"\/>\n      <\/marker>\n    <\/defs>\n\n    <rect x=\"270\" y=\"20\" width=\"220\" height=\"46\" rx=\"12\" fill=\"#fbeceb\" stroke=\"#d6453d\" stroke-width=\"2\"\/>\n    <text x=\"380\" y=\"48\" text-anchor=\"middle\" font-size=\"14\" font-weight=\"700\" fill=\"#1f2430\">HTTP 500 error appears<\/text>\n\n    <rect x=\"270\" y=\"96\" width=\"220\" height=\"46\" rx=\"12\" fill=\"#eef2ff\" stroke=\"#2563eb\" stroke-width=\"2\"\/>\n    <text x=\"380\" y=\"117\" text-anchor=\"middle\" font-size=\"13\" fill=\"#1f2430\">Reload + clear all caches<\/text>\n    <text x=\"380\" y=\"133\" text-anchor=\"middle\" font-size=\"11.5\" fill=\"#6b7280\">browser, plugin, server<\/text>\n\n    <rect x=\"270\" y=\"172\" width=\"220\" height=\"46\" rx=\"12\" fill=\"#eef2ff\" stroke=\"#2563eb\" stroke-width=\"2\"\/>\n    <text x=\"380\" y=\"193\" text-anchor=\"middle\" font-size=\"13\" fill=\"#1f2430\">Deactivate all plugins<\/text>\n    <text x=\"380\" y=\"209\" text-anchor=\"middle\" font-size=\"11.5\" fill=\"#6b7280\">then test the theme<\/text>\n\n    <rect x=\"270\" y=\"248\" width=\"220\" height=\"46\" rx=\"12\" fill=\"#eef2ff\" stroke=\"#2563eb\" stroke-width=\"2\"\/>\n    <text x=\"380\" y=\"269\" text-anchor=\"middle\" font-size=\"13\" fill=\"#1f2430\">Regenerate .htaccess<\/text>\n    <text x=\"380\" y=\"285\" text-anchor=\"middle\" font-size=\"11.5\" fill=\"#6b7280\">raise PHP memory, check PHP<\/text>\n\n    <rect x=\"270\" y=\"324\" width=\"220\" height=\"46\" rx=\"12\" fill=\"#eef2ff\" stroke=\"#2563eb\" stroke-width=\"2\"\/>\n    <text x=\"380\" y=\"345\" text-anchor=\"middle\" font-size=\"13\" fill=\"#1f2430\">Re-upload core + permissions<\/text>\n    <text x=\"380\" y=\"361\" text-anchor=\"middle\" font-size=\"11.5\" fill=\"#6b7280\">755 folders \/ 644 files<\/text>\n\n    <rect x=\"270\" y=\"400\" width=\"220\" height=\"46\" rx=\"12\" fill=\"#ecfdf3\" stroke=\"#16a34a\" stroke-width=\"2\"\/>\n    <text x=\"380\" y=\"421\" text-anchor=\"middle\" font-size=\"13\" fill=\"#1f2430\">Enable debug log<\/text>\n    <text x=\"380\" y=\"437\" text-anchor=\"middle\" font-size=\"11.5\" fill=\"#6b7280\">still stuck? contact host<\/text>\n\n    <line x1=\"380\" y1=\"66\" x2=\"380\" y2=\"94\" stroke=\"#9aa3af\" stroke-width=\"2\" marker-end=\"url(#h5xar)\"\/>\n    <line x1=\"380\" y1=\"142\" x2=\"380\" y2=\"170\" stroke=\"#9aa3af\" stroke-width=\"2\" marker-end=\"url(#h5xar)\"\/>\n    <line x1=\"380\" y1=\"218\" x2=\"380\" y2=\"246\" stroke=\"#9aa3af\" stroke-width=\"2\" marker-end=\"url(#h5xar)\"\/>\n    <line x1=\"380\" y1=\"294\" x2=\"380\" y2=\"322\" stroke=\"#9aa3af\" stroke-width=\"2\" marker-end=\"url(#h5xar)\"\/>\n    <line x1=\"380\" y1=\"370\" x2=\"380\" y2=\"398\" stroke=\"#9aa3af\" stroke-width=\"2\" marker-end=\"url(#h5xar)\"\/>\n\n    <text x=\"510\" y=\"125\" font-size=\"11\" fill=\"#16a34a\">fixes most cases \u2713<\/text>\n    <text x=\"510\" y=\"201\" font-size=\"11\" fill=\"#16a34a\">#1 real cause \u2713<\/text>\n  <\/svg>\n  <p class=\"h5x-flow-cap\">Work top to bottom \u2014 each step rules out a cause before moving to the next.<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Reload_the_page_and_clear_your_browser_cache\"><\/span>1. Reload the page and clear your browser cache<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Sometimes the 500 error is a momentary glitch that&#8217;s already gone. This often happens after an update, with a brief timeout, and frequently the problem fixes itself with a page refresh. Wait a minute, then reload.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If reloading doesn&#8217;t help, clear your browser cache \u2014 your browser may be serving a stored copy of the error page. Clearing your browser cache is the easiest and often the most effective step to &#8220;fix&#8221; the 500 error, since you&#8217;re refreshing your own browser so you can access the site without the cached error. Also try a different browser or an incognito window to confirm whether the problem is on your end.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Clear_your_WordPress_and_server_cache\"><\/span>2. Clear your WordPress and server cache<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you use a caching plugin (WP Rocket, W3 Total Cache, LiteSpeed Cache) or your host has server-side caching, clear all of it. Clearing all types of cache \u2014 browser, caching plugins, and server cache \u2014 resolves the error in a large share of cases, because many 500 errors come from temporary or caching problems. If you can&#8217;t reach the dashboard, clear the cache from your hosting control panel instead.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Deactivate_all_plugins\"><\/span>3. Deactivate all plugins<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Since plugin conflicts are the number-one cause, this is the highest-value real fix. The approach: deactivate every plugin at once, check if the error clears, then reactivate them one by one until the error returns \u2014 the last one you reactivated is the culprit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you can access your dashboard, go to Plugins, select all, and choose &#8220;Deactivate&#8221; from the bulk actions menu. If you <strong>can&#8217;t<\/strong> access <code><strong>wp-admin<\/strong><\/code>, do it via FTP: connect to your site, open the <code><strong>\/wp-content\/<\/strong><\/code> folder, and rename the <code><strong>plugins<\/strong><\/code> folder to something like <code><strong>plugins_old<\/strong><\/code>. This deactivates all plugins at once. Reload your site; if it works, rename the folder back to <strong><code>plugins<\/code> <\/strong>and then deactivate plugins individually to find the offender.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Renaming-the-plugins-folder-via-FTP-to-deactivate-all-WordPress-plugins-1024x683.png\" alt=\"Renaming the plugins folder via FTP to deactivate all WordPress plugins\" class=\"wp-image-4576\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Renaming-the-plugins-folder-via-FTP-to-deactivate-all-WordPress-plugins-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Renaming-the-plugins-folder-via-FTP-to-deactivate-all-WordPress-plugins-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Renaming-the-plugins-folder-via-FTP-to-deactivate-all-WordPress-plugins-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Renaming-the-plugins-folder-via-FTP-to-deactivate-all-WordPress-plugins.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Switch_to_a_default_theme\"><\/span>4. Switch to a default theme<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If plugins aren&#8217;t the cause, your active theme might be. Plugins and themes can conflict with each other or with WordPress itself, causing the 500 error. Switch to a default WordPress theme (like Twenty Twenty-Four) to test.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">From the dashboard, go to Appearance \u2192 Themes and activate a default theme. If you can&#8217;t log in, use FTP: navigate to <code><strong>\/wp-content\/themes\/<\/strong><\/code> and rename your active theme&#8217;s folder. WordPress will automatically fall back to a default theme. Reload your site to see if the error clears. If a theme is the cause, simply change to a new theme or one of the default options.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Regenerate_the_htaccess_file\"><\/span>5. Regenerate the .htaccess file<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A corrupted <code><strong>.htaccess<\/strong><\/code> file is a classic cause. The fix is to force WordPress to generate a fresh one.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connect via FTP, find the <code><strong>.htaccess<\/strong><\/code> file in your site&#8217;s root folder (the same folder as <code><strong>wp-config.php<\/strong><\/code>), and rename it to <code><strong>.htaccess_old<\/strong><\/code>. Reload your site to see if the error has cleared; if it has, you know the .htaccess file was the cause. Then regenerate a clean file by going to your WordPress dashboard, <strong>Settings <\/strong>\u2192 <strong>Permalinks<\/strong>, and simply clicking &#8220;<strong>Save Changes<\/strong>&#8221; without changing anything \u2014 this is done via <strong>Settings <\/strong>\u2192 <strong>Permalinks <\/strong>and WordPress writes a fresh <code><strong>.htaccess<\/strong><\/code>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"662\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Saving-permalink-settings-to-regenerate-the-htaccess-file-in-WordPress-1024x662.png\" alt=\"Saving permalink settings to regenerate the .htaccess file in WordPress\" class=\"wp-image-4577\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Saving-permalink-settings-to-regenerate-the-htaccess-file-in-WordPress-1024x662.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Saving-permalink-settings-to-regenerate-the-htaccess-file-in-WordPress-300x194.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Saving-permalink-settings-to-regenerate-the-htaccess-file-in-WordPress-768x496.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Saving-permalink-settings-to-regenerate-the-htaccess-file-in-WordPress-1536x992.png 1536w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Saving-permalink-settings-to-regenerate-the-htaccess-file-in-WordPress.png 1560w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Increase_the_PHP_memory_limit\"><\/span>6. Increase the PHP memory limit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If your site is running out of memory, raising the limit can fix the error. If the 500 error is caused by too little memory, you&#8217;ll want to increase the memory limit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Edit your <code><strong>wp-config.php<\/strong><\/code> file (via FTP, in the root folder) and add this line just above the line that says <code><strong>\/* That's all, stop editing! *\/<\/strong><\/code>:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-1\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">define(<span class=\"hljs-string\">'WP_MEMORY_LIMIT'<\/span>, <span class=\"hljs-string\">'256M'<\/span>);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-1\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"wp-block-paragraph\">Save and reload. The <code>wp-config.php<\/code> method above works on most setups, but if it doesn&#8217;t take effect \u2014 some hosts ignore it \u2014 you have two other ways to raise the memory limit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you can edit <code>php.ini<\/code>, set the limit there:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">memory_limit = 256M<\/code><\/span><\/pre>\n\n\n<p class=\"wp-block-paragraph\">Or, on Apache servers, add this line to your <code>.htaccess<\/code> file (note that some hosts block this method):<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">php_value memory_limit 256M<\/code><\/span><\/pre>\n\n\n<p class=\"wp-block-paragraph\">If none of these stick, the limit is almost certainly capped at the server level. This is common on shared plans, where memory is kept tight on purpose \u2014 in that case, your hosting provider can raise it for you.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Increase_the_PHP_timeout_and_upload_limits\"><\/span>7. Increase the PHP timeout and upload limits<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the 500 error shows up during a specific heavy task \u2014 importing content, running a backup, uploading a large file, or updating many items at once \u2014 the cause is often a PHP limit being hit, not a broken file. The two limits that matter most here are <strong><code>max_execution_time<\/code> <\/strong>(how long a script is allowed to run before the server kills it) and <strong><code>upload_max_filesize<\/code> <\/strong>(the largest file PHP will accept). When a script runs past the time limit, the server cuts it off mid-process, which can surface as an HTTP 500.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">There are a few ways to raise these limits, depending on what your host allows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The cleanest method is through your <strong>hosting control panel<\/strong>. Many hosts expose these settings under &#8220;PHP version&#8221;, &#8220;MultiPHP INI Editor&#8221; (cPanel), or &#8220;PHP settings&#8221;, where you can raise <strong><code>max_execution_time<\/code> <\/strong>(try 300, meaning 300 seconds) and <strong><code>upload_max_filesize<\/code> <\/strong>and <code><strong>post_max_size<\/strong><\/code> (for example, 64M) directly.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Adjusting-max_execution_time-and-upload-limits-in-the-hosting-PHP-settings-1024x683.png\" alt=\"Adjusting max_execution_time and upload limits in the hosting PHP settings\" class=\"wp-image-4586\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Adjusting-max_execution_time-and-upload-limits-in-the-hosting-PHP-settings-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Adjusting-max_execution_time-and-upload-limits-in-the-hosting-PHP-settings-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Adjusting-max_execution_time-and-upload-limits-in-the-hosting-PHP-settings-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Adjusting-max_execution_time-and-upload-limits-in-the-hosting-PHP-settings.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you can edit <code>php.ini<\/code>, add or adjust these lines:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">max_execution_time = 300\nupload_max_filesize = 64M\npost_max_size = 64M<\/code><\/span><\/pre>\n\n\n<p class=\"wp-block-paragraph\">Alternatively, you can try setting them in your <code>.htaccess<\/code> file (on Apache servers), though some hosts block this:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">php_value max_execution_time 300\nphp_value upload_max_filesize 64M\nphp_value post_max_size 64M<\/code><\/span><\/pre>\n\n\n<p class=\"wp-block-paragraph\">After changing any of these, retry the action that triggered the error. If you don&#8217;t have access to these settings, or the limits are locked at the server level, your host can raise them for you \u2014 this is common on shared plans, where limits are kept tight on purpose.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Check_your_PHP_version\"><\/span>8. Check your PHP version<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">An outdated or incompatible PHP version can trigger 500 errors, especially after a host upgrade or a plugin update. If your host recently upgraded PHP or you changed it manually, incompatibilities can cause 500 errors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check which PHP version your site runs (in your hosting panel, usually under &#8220;PHP version&#8221; or &#8220;MultiPHP Manager&#8221;) and make sure it meets WordPress&#8217;s current recommended version. If you recently changed it, try switching back, or move to a newer supported version if you were on an old one.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Check_wp-configphp_and_the_database_connection\"><\/span>9. Check wp-config.php and the database connection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your <code><strong>wp-config.php<\/strong><\/code> file holds the credentials WordPress uses to connect to its database. If those credentials are wrong, or the file itself was corrupted during an edit or migration, WordPress can fail to load \u2014 sometimes showing the familiar &#8220;Error establishing a database connection&#8221;, but other times surfacing as a generic HTTP 500.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connect via FTP and open <code><strong>wp-config.php<\/strong><\/code> in your site&#8217;s root folder. Check the four database lines for typos or blank values:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-2\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">define(<span class=\"hljs-string\">'DB_NAME'<\/span>, <span class=\"hljs-string\">'your_database_name'<\/span>);\ndefine(<span class=\"hljs-string\">'DB_USER'<\/span>, <span class=\"hljs-string\">'your_database_user'<\/span>);\ndefine(<span class=\"hljs-string\">'DB_PASSWORD'<\/span>, <span class=\"hljs-string\">'your_database_password'<\/span>);\ndefine(<span class=\"hljs-string\">'DB_HOST'<\/span>, <span class=\"hljs-string\">'localhost'<\/span>);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-2\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"wp-block-paragraph\">Confirm that these match the database details in your hosting control panel exactly \u2014 a single wrong character in the password or database name is enough to break the connection. Also check <code><strong>DB_HOST<\/strong><\/code>: it&#8217;s usually <code><strong>localhost<\/strong><\/code>, but some hosts require a specific server name instead, which you&#8217;ll find in your panel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">While you&#8217;re in the file, look for signs of corruption: a stray space or blank line <em>before<\/em> the opening <code><strong>&lt;?php<\/strong><\/code> tag, or <em>after<\/em> the closing <code><strong>?&gt;<\/strong><\/code> tag, can trigger a 500. The safest fix is to remove the closing <code><strong>?&gt;<\/strong><\/code> entirely \u2014 WordPress doesn&#8217;t need it, and dropping it eliminates a common source of &#8220;headers already sent&#8221; errors.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If everything in<strong> <code>wp-config.php<\/code><\/strong> looks correct but the connection still fails, the database server itself may be down or overloaded. In that case, the problem is on the hosting side \u2014 contact your provider (see the final step).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Checking-database-credentials-in-the-wp-config-php-file-1024x683.png\" alt=\"Checking database credentials in the wp-config php file\" class=\"wp-image-4583\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Checking-database-credentials-in-the-wp-config-php-file-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Checking-database-credentials-in-the-wp-config-php-file-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Checking-database-credentials-in-the-wp-config-php-file-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Checking-database-credentials-in-the-wp-config-php-file.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_Re-upload_core_WordPress_files\"><\/span>10. Re-upload core WordPress files<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If core files are corrupted, replacing them can help. Re-uploading fresh WordPress files can fix the issue.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Download a fresh copy of WordPress from wordpress.org, unzip it, and <strong>delete the <code>wp-content<\/code> folder and the <code>wp-config.php<\/code> file from the fresh copy<\/strong> (so you don&#8217;t overwrite your content and settings). Then upload the remaining files \u2014 mainly <code>wp-admin<\/code> and <code>wp-includes<\/code> \u2014 to your site via FTP, overwriting the existing ones. This replaces the core without touching your data.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Check_file_permissions\"><\/span>11. Check file permissions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Incorrect permissions can block the server from running WordPress files. Servers rely on file permissions to determine who can access or modify files; if permissions are configured incorrectly, the server may block WordPress from executing certain files.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The standard, safe values are <strong>755<\/strong> for folders and <strong>644<\/strong> for files. You can set these via FTP <strong>(right-click \u2192 File Permissions)<\/strong> or through your hosting file manager. Never set permissions to 777, which is a security risk.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Enable_WordPress_debugging_to_find_the_real_cause\"><\/span>12. Enable WordPress debugging to find the real cause<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you&#8217;ve reached this point, turn on debugging to get an actual error message instead of a blank screen. The debug log is a built-in WordPress tool that records detailed information about errors; it should contain details about the 500 error and point you to its source. By default it&#8217;s off.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Edit <code><strong>wp-config.php<\/strong><\/code> and replace the line <code><strong>define('WP_DEBUG', false);<\/strong><\/code> with:<\/p>\n\n\n<pre class=\"wp-block-code\" aria-describedby=\"shcb-language-3\" data-shcb-language-name=\"JavaScript\" data-shcb-language-slug=\"javascript\"><span><code class=\"hljs language-javascript\">define(<span class=\"hljs-string\">'WP_DEBUG'<\/span>, <span class=\"hljs-literal\">true<\/span>);\ndefine(<span class=\"hljs-string\">'WP_DEBUG_LOG'<\/span>, <span class=\"hljs-literal\">true<\/span>);\ndefine(<span class=\"hljs-string\">'WP_DEBUG_DISPLAY'<\/span>, <span class=\"hljs-literal\">false<\/span>);<\/code><\/span><small class=\"shcb-language\" id=\"shcb-language-3\"><span class=\"shcb-language__label\">Code language:<\/span> <span class=\"shcb-language__name\">JavaScript<\/span> <span class=\"shcb-language__paren\">(<\/span><span class=\"shcb-language__slug\">javascript<\/span><span class=\"shcb-language__paren\">)<\/span><\/small><\/pre>\n\n\n<p class=\"wp-block-paragraph\">Reload your site to reproduce the error, then find the results in the debug.log file located in the \/wp-content\/ directory. Open it and look for the most recent entries \u2014 they&#8217;ll usually name the exact file, plugin, or function causing the crash. Once you&#8217;ve fixed the issue, set these values back to <strong><code>false<\/code> <\/strong>so you don&#8217;t expose information to visitors.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Reading-the-WordPress-debug.log-file-to-identify-the-cause-of-the-500-error-1024x683.png\" alt=\"Reading the WordPress debug.log file to identify the cause of the 500 error\" class=\"wp-image-4578\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Reading-the-WordPress-debug.log-file-to-identify-the-cause-of-the-500-error-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Reading-the-WordPress-debug.log-file-to-identify-the-cause-of-the-500-error-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Reading-the-WordPress-debug.log-file-to-identify-the-cause-of-the-500-error-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Reading-the-WordPress-debug.log-file-to-identify-the-cause-of-the-500-error.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Check_the_server_error_logs\"><\/span>13. Check the server error logs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your server keeps its own error logs, separate from WordPress. These are especially useful when the WordPress debug log isn&#8217;t revealing enough. In your hosting control panel (<a href=\"https:\/\/www.copahost.com\/blog\/cpanel\/\">cPanel<\/a>, Plesk, or your host&#8217;s custom panel), look for &#8220;Error Log&#8221; or &#8220;Logs&#8221;. The most recent entries logged at the time of the crash often pinpoint the problem \u2014 a PHP fatal error, a memory exhaustion message, or a permissions denial.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If your site isn&#8217;t on WordPress, or you want the platform-agnostic angle, our <a href=\"https:\/\/www.copahost.com\/blog\/how-to-fix-500-internal-server-error\/\">general guide to the 500 internal server error<\/a> covers server-level causes in more depth.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14_Contact_your_hosting_provider\"><\/span>14. Contact your hosting provider<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If none of the above works, the problem is likely on the server side, beyond your control. Reach out to your hosting support with the details you&#8217;ve gathered (what you&#8217;ve already tried, and any lines from the debug or server logs). A good host can check server-level configuration, resource limits, and logs you can&#8217;t see, and often resolve it quickly.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_prevent_HTTP_Error_500_in_the_future\"><\/span>How to prevent HTTP Error 500 in the future<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Once your site is back online, a few habits dramatically reduce the chance of seeing this error again.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Always back up before updating plugins, themes, or WordPress core, so you can roll back instantly if something breaks. Update one plugin at a time rather than all at once, which makes it obvious which update caused a problem. Test major updates on a staging site before applying them to your live site. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep your PHP version current and supported. Remove plugins and themes you no longer use, since inactive code can still cause conflicts. And choose quality hosting with adequate resources and good support \u2014 many 500 errors trace back to tight server limits on cheap, overcrowded plans.<\/p>\n\n\n\n<div class=\"h5x-cta\">\n  <style>\n    .h5x-cta{\n      --accent:#d6453d;\n      font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n      max-width:760px;margin:36px 0;border-radius:16px;padding:32px 28px;\n      background:linear-gradient(135deg,#2a1110 0%,#15171e 100%);color:#fff;\n      position:relative;overflow:hidden;-webkit-font-smoothing:antialiased;\n    }\n    .h5x-cta *{box-sizing:border-box;}\n    .h5x-cta::after{content:\"\";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(214,69,61,.30),transparent 70%);}\n    .h5x-cta-tag{display:inline-block;letter-spacing:.06em;text-transform:uppercase;font-weight:700;font-size:13px;color:#f0a59f;margin-bottom:12px;position:relative;}\n    .h5x-cta-title{font-weight:800;font-size:22px;line-height:1.2;margin:0 0 10px;position:relative;}\n    .h5x-cta-text{font-size:15.5px;line-height:1.55;margin:0 0 22px;color:#cdd1da;max-width:560px;position:relative;}\n    .h5x-cta-btn,\n    .h5x-cta-btn:link,\n    .h5x-cta-btn:visited,\n    .h5x-cta-btn:hover,\n    .h5x-cta-btn:active{\n      display:inline-block;text-decoration:none;\n      background:var(--accent);color:#ffffff !important;font-weight:700;font-size:15.5px;\n      padding:14px 28px;border-radius:999px;position:relative;\n      transition:transform .15s ease,box-shadow .15s ease;\n      box-shadow:0 8px 20px rgba(214,69,61,.35);\n    }\n    .h5x-cta-btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(214,69,61,.45);}\n  <\/style>\n\n  <span class=\"h5x-cta-tag\">Hosting that prevents 500 errors<\/span>\n  <p class=\"h5x-cta-title\">Tired of server errors breaking your WordPress site?<\/p>\n  <p class=\"h5x-cta-text\">Many HTTP 500 errors trace back to tight server limits and outdated PHP on overcrowded plans. Copahost&#8217;s WordPress hosting gives your site the resources, current PHP, and responsive support it needs to stay online \u2014 and get the rare issue fixed fast.<\/p>\n  <a class=\"h5x-cta-btn\" href=\"\/\" rel=\"noopener\">See Copahost WordPress hosting<\/a>\n<\/div>\n\n\n\n<!-- ====================================================================\n     FAQ \u2014 HTTP Error 500 in WordPress (Copahost) \u2014 HTML + FAQPage schema\n     Self-contained block. Classes prefixed \"h5x-faq-\".\n\n     IMPORTANT:\n     - The JSON-LD text is IDENTICAL to the visible text. If you edit a\n       question\/answer, edit it in BOTH places (schema and HTML).\n     - Use only ONE FAQPage block per page. If your SEO plugin already\n       outputs FAQ schema, remove this JSON-LD to avoid duplication.\n     ==================================================================== -->\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is HTTP Error 500 in WordPress?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"HTTP Error 500 is a generic server-side error meaning the server hit an unexpected condition that stopped it from loading your site, but it cannot say exactly what went wrong. Because it gives no detail, fixing it is a process of elimination \u2014 ruling out plugins, the theme, the .htaccess file, memory, and server settings in turn.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What causes the 500 internal server error in WordPress?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The most common cause is a plugin or theme conflict, especially right after an install or update. Other frequent causes are a corrupted .htaccess file, an exhausted PHP memory limit, a PHP version incompatibility, corrupted core files, incorrect file permissions, and genuine server-side problems on your host's end.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I fix HTTP Error 500 in WordPress quickly?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Start with the quick wins: reload the page, then clear your browser cache, your caching plugin, and any server cache. Many 500 errors are temporary or caching-related and clear at this stage. If the error remains, deactivate all plugins, then test with a default theme \u2014 together these resolve the large majority of cases.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Why did I get a 500 error right after updating a plugin?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"An updated plugin can conflict with another plugin, your theme, or your PHP version, causing a fatal error that shows as a 500. Deactivate the plugin you just updated. If you can't reach the dashboard, deactivate it via FTP by renaming its folder inside wp-content\/plugins, then reload your site.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I fix a 500 error when I can't access wp-admin?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Use an FTP client like FileZilla. To rule out plugins, rename the wp-content\/plugins folder to plugins_old, which deactivates them all at once. To rule out the theme, rename your active theme's folder so WordPress falls back to a default. To rule out .htaccess, rename the .htaccess file in the root folder. Reload after each change.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is the HTTP 500 error my fault or the hosting provider's?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"It can be either. If the error started right after you changed something \u2014 a plugin, theme, or setting \u2014 the cause is likely on your side. If nothing changed on your end, or other sites on the same server are also affected, it points to a server-side issue. Enabling debugging and checking the server error logs helps tell them apart.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I deactivate all plugins without dashboard access?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Connect to your site via FTP, open the wp-content folder, and rename the plugins folder to something like plugins_old. This deactivates every plugin at once. Reload your site; if the error clears, rename the folder back to plugins and reactivate them one by one to find the one causing the problem.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I increase the PHP memory limit in WordPress?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Edit wp-config.php via FTP and add the line define('WP_MEMORY_LIMIT', '256M'); just above the line that reads That's all, stop editing. Save and reload. If the error continues, the limit may be capped at the server level, in which case you'll need to adjust php.ini or ask your hosting provider to raise it.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What's the difference between a 500 error and the White Screen of Death?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"They often share the same causes, such as a plugin conflict or memory exhaustion. The White Screen of Death is a blank white page with no message, while the 500 error may show an explicit HTTP ERROR 500 message. The troubleshooting steps are essentially the same for both.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I find the real cause of the 500 error?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Enable WordPress debugging. In wp-config.php, set WP_DEBUG and WP_DEBUG_LOG to true and WP_DEBUG_DISPLAY to false. Reload the site to reproduce the error, then open the debug.log file inside the wp-content folder. The most recent entries usually name the exact plugin, file, or function causing the crash. You can also check your server's error logs in your hosting panel.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does an HTTP 500 error hurt my SEO?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A brief 500 error is unlikely to harm rankings. But if it persists, search engine crawlers can't access your pages, which over time can hurt indexing and rankings. Search engines may also reduce crawl frequency for a site that repeatedly returns server errors, so a recurring 500 should be fixed promptly.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I prevent the 500 error from happening again?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Always back up before updating plugins, themes, or core. Update one plugin at a time so it's clear which change caused a problem, and test major updates on a staging site first. Keep your PHP version current, remove plugins and themes you no longer use, and choose hosting with adequate resources and good support, since many 500 errors come from tight limits on overcrowded servers.\"\n      }\n    }\n  ]\n}\n<\/script>\n\n<div class=\"h5x-faq\">\n  <style>\n    .h5x-faq{\n      --ink:#1f2430;--muted:#6b7280;--line:#e7e9ee;--soft:#f7f8fa;--accent:#d6453d;\n      font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;\n      color:var(--ink);max-width:760px;margin:32px 0;-webkit-font-smoothing:antialiased;\n    }\n    .h5x-faq *{box-sizing:border-box;}\n    .h5x-faq h2{font-weight:700;margin:0 0 18px;line-height:1.2;}\n    .h5x-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff;overflow:hidden;transition:box-shadow .2s ease;}\n    .h5x-item[open]{box-shadow:0 4px 16px rgba(16,24,40,.06);border-color:#e3b3af;}\n    .h5x-item summary{list-style:none;cursor:pointer;padding:16px 18px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:14px;transition:background .15s ease;}\n    .h5x-item summary:hover{background:var(--soft);}\n    .h5x-item summary::-webkit-details-marker{display:none;}\n    .h5x-item summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px;border-radius:12px;}\n    .h5x-ico{flex:0 0 auto;width:20px;height:20px;color:var(--accent);transition:transform .25s ease;}\n    .h5x-item[open] .h5x-ico{transform:rotate(45deg);}\n    .h5x-answer{padding:0 18px 18px;line-height:1.6;color:#374151;}\n    .h5x-answer p{margin:0;}\n    .h5x-answer code{background:#f1f3f5;padding:1px 6px;border-radius:5px;font-family:\"SFMono-Regular\",Consolas,Menlo,monospace;font-size:.92em;}\n  <\/style>\n\n  <h2><span class=\"ez-toc-section\" id=\"Frequently_asked_questions_about_HTTP_Error_500_in_WordPress\"><\/span>Frequently asked questions about HTTP Error 500 in WordPress<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n  <details class=\"h5x-item\">\n    <summary>What is HTTP Error 500 in WordPress?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>HTTP Error 500 is a generic server-side error meaning the server hit an unexpected condition that stopped it from loading your site, but it cannot say exactly what went wrong. Because it gives no detail, fixing it is a process of elimination \u2014 ruling out plugins, the theme, the <code>.htaccess<\/code> file, memory, and server settings in turn.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>What causes the 500 internal server error in WordPress?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>The most common cause is a plugin or theme conflict, especially right after an install or update. Other frequent causes are a corrupted <code>.htaccess<\/code> file, an exhausted PHP memory limit, a PHP version incompatibility, corrupted core files, incorrect file permissions, and genuine server-side problems on your host&#8217;s end.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>How do I fix HTTP Error 500 in WordPress quickly?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>Start with the quick wins: reload the page, then clear your browser cache, your caching plugin, and any server cache. Many 500 errors are temporary or caching-related and clear at this stage. If the error remains, deactivate all plugins, then test with a default theme \u2014 together these resolve the large majority of cases.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>Why did I get a 500 error right after updating a plugin?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>An updated plugin can conflict with another plugin, your theme, or your PHP version, causing a fatal error that shows as a 500. Deactivate the plugin you just updated. If you can&#8217;t reach the dashboard, deactivate it via FTP by renaming its folder inside <code>wp-content\/plugins<\/code>, then reload your site.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>How do I fix a 500 error when I can&#8217;t access wp-admin?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>Use an FTP client like FileZilla. To rule out plugins, rename the <code>wp-content\/plugins<\/code> folder to <code>plugins_old<\/code>, which deactivates them all at once. To rule out the theme, rename your active theme&#8217;s folder so WordPress falls back to a default. To rule out <code>.htaccess<\/code>, rename the <code>.htaccess<\/code> file in the root folder. Reload after each change.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>Is the HTTP 500 error my fault or the hosting provider&#8217;s?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>It can be either. If the error started right after you changed something \u2014 a plugin, theme, or setting \u2014 the cause is likely on your side. If nothing changed on your end, or other sites on the same server are also affected, it points to a server-side issue. Enabling debugging and checking the server error logs helps tell them apart.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>How do I deactivate all plugins without dashboard access?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>Connect to your site via FTP, open the <code>wp-content<\/code> folder, and rename the <code>plugins<\/code> folder to something like <code>plugins_old<\/code>. This deactivates every plugin at once. Reload your site; if the error clears, rename the folder back to <code>plugins<\/code> and reactivate them one by one to find the one causing the problem.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>How do I increase the PHP memory limit in WordPress?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>Edit <code>wp-config.php<\/code> via FTP and add the line <code>define('WP_MEMORY_LIMIT', '256M');<\/code> just above the line that reads &#8220;That&#8217;s all, stop editing&#8221;. Save and reload. If the error continues, the limit may be capped at the server level, in which case you&#8217;ll need to adjust <code>php.ini<\/code> or ask your hosting provider to raise it.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>What&#8217;s the difference between a 500 error and the White Screen of Death?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>They often share the same causes, such as a plugin conflict or memory exhaustion. The White Screen of Death is a blank white page with no message, while the 500 error may show an explicit &#8220;HTTP ERROR 500&#8221; message. The troubleshooting steps are essentially the same for both.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>How do I find the real cause of the 500 error?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>Enable WordPress debugging. In <code>wp-config.php<\/code>, set <code>WP_DEBUG<\/code> and <code>WP_DEBUG_LOG<\/code> to true and <code>WP_DEBUG_DISPLAY<\/code> to false. Reload the site to reproduce the error, then open the <code>debug.log<\/code> file inside the <code>wp-content<\/code> folder. The most recent entries usually name the exact plugin, file, or function causing the crash. You can also check your server&#8217;s error logs in your hosting panel.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>Does an HTTP 500 error hurt my SEO?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>A brief 500 error is unlikely to harm rankings. But if it persists, search engine crawlers can&#8217;t access your pages, which over time can hurt indexing and rankings. Search engines may also reduce crawl frequency for a site that repeatedly returns server errors, so a recurring 500 should be fixed promptly.<\/p><\/div>\n  <\/details>\n\n  <details class=\"h5x-item\">\n    <summary>How do I prevent the 500 error from happening again?\n      <svg class=\"h5x-ico\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.2\" stroke-linecap=\"round\"><path d=\"M12 5v14M5 12h14\"\/><\/svg>\n    <\/summary>\n    <div class=\"h5x-answer\"><p>Always back up before updating plugins, themes, or core. Update one plugin at a time so it&#8217;s clear which change caused a problem, and test major updates on a staging site first. Keep your PHP version current, remove plugins and themes you no longer use, and choose hosting with adequate resources and good support, since many 500 errors come from tight limits on overcrowded servers.<\/p><\/div>\n  <\/details>\n\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The HTTP Error 500 looks alarming because it tells you so little, but it&#8217;s both common and fixable. The key is method: start with the quick wins (reload, clear cache), then rule out plugins and the theme, then work through <code>.htaccess<\/code>, memory, PHP, core files, and permissions \u2014 and if you&#8217;re still stuck, turn on debugging to make the error name itself. Nine times out of ten, you&#8217;ll find the cause well before reaching the server logs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If the error turns out to be server-side, that&#8217;s a sign your hosting may be holding your site back. Reliable hosting with proper resources, current PHP, and responsive support prevents most 500 errors from ever appearing \u2014 and gets the rare one fixed fast.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>HTTP Error 500 in WordPress is a generic server-side error that means something went wrong on the server while loading your site, but the server can&#8217;t say exactly what. It shows no useful detail by design \u2014 which is why fixing it is really a process of elimination. If your site shows a database message [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4579,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[],"class_list":["post-4573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-wordpress"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HTTP Error 500 in WordPress: The Complete Guide to Causes and Fixes<\/title>\n<meta name=\"description\" content=\"HTTP Error 500 in WordPress? 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