{"id":4716,"date":"2026-06-16T15:41:24","date_gmt":"2026-06-16T15:41:24","guid":{"rendered":"https:\/\/www.copahost.com\/blog\/?p=4716"},"modified":"2026-06-16T23:18:15","modified_gmt":"2026-06-16T23:18:15","slug":"err_connection_reset","status":"publish","type":"post","link":"https:\/\/www.copahost.com\/blog\/err_connection_reset\/","title":{"rendered":"ERR_CONNECTION_RESET: What It Means and 18 Ways to Fix It"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">You click a link, the page starts to load, and then everything stops with a blunt message: <strong>&#8220;This site can&#8217;t be reached \u2014 the connection was reset&#8221;<\/strong> and the code <code>ERR_CONNECTION_RESET<\/code>. It is one of the most common \u2014 and most frustrating \u2014 connection errors on the web, precisely because it can come from almost anywhere: your browser, your computer, your network, or the website&#8217;s own server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide is built to be the most complete reference on the topic. We will explain exactly what the error is at a technical level, help you figure out in under a minute whether the problem is on your side or the website&#8217;s side, and then walk through every fix that actually works \u2014 for everyday visitors on Windows, macOS, Android, and iOS, and for website owners and developers who need to chase the problem down to the server.<\/p>\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\/err_connection_reset\/#What_ERR_CONNECTION_RESET_actually_means\" title=\"What ERR_CONNECTION_RESET actually means\">What ERR_CONNECTION_RESET actually means<\/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\/err_connection_reset\/#Common_causes_at_a_glance\" title=\"Common causes at a glance\">Common causes at a glance<\/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\/err_connection_reset\/#First_is_it_you_or_the_website_60-second_triage\" title=\"First: is it you or the website? (60-second triage)\">First: is it you or the website? (60-second triage)<\/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\/err_connection_reset\/#Client-side_fixes_for_visitors\" title=\"Client-side fixes (for visitors)\">Client-side fixes (for visitors)<\/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\/err_connection_reset\/#1_Reload_and_check_your_connection\" title=\"1. Reload and check your connection\">1. Reload and check your connection<\/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\/err_connection_reset\/#2_Restart_your_router_and_modem\" title=\"2. Restart your router and modem\">2. Restart your router and modem<\/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\/err_connection_reset\/#3_Clear_your_browser_cache_and_cookies\" title=\"3. Clear your browser cache and cookies\">3. Clear your browser cache and cookies<\/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\/err_connection_reset\/#4_Flush_the_DNS_cache_browser_and_operating_system\" title=\"4. Flush the DNS cache (browser and operating system)\">4. Flush the DNS cache (browser and operating system)<\/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\/err_connection_reset\/#5_Test_in_Incognito_mode_and_disable_extensions\" title=\"5. Test in Incognito mode and disable extensions\">5. Test in Incognito mode and disable extensions<\/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\/err_connection_reset\/#6_Disable_your_VPN_or_proxy\" title=\"6. Disable your VPN or proxy\">6. Disable your VPN or proxy<\/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\/err_connection_reset\/#7_Temporarily_disable_antivirus_and_firewall_then_re-enable\" title=\"7. Temporarily disable antivirus and firewall (then re-enable)\">7. Temporarily disable antivirus and firewall (then re-enable)<\/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\/err_connection_reset\/#8_Update_or_reset_your_browser\" title=\"8. Update or reset your browser\">8. Update or reset your browser<\/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\/err_connection_reset\/#9_Reset_the_TCPIP_stack_and_Winsock_Windows\" title=\"9. Reset the TCP\/IP stack and Winsock (Windows)\">9. Reset the TCP\/IP stack and Winsock (Windows)<\/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\/err_connection_reset\/#10_Change_your_DNS_servers\" title=\"10. Change your DNS servers\">10. Change your DNS servers<\/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\/err_connection_reset\/#11_Adjust_the_MTU_size\" title=\"11. Adjust the MTU size\">11. Adjust the MTU size<\/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\/err_connection_reset\/#12_Update_your_network_adapter_drivers\" title=\"12. Update your network adapter drivers\">12. Update your network adapter drivers<\/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\/err_connection_reset\/#13_macOS-specific_steps\" title=\"13. macOS-specific steps\">13. macOS-specific steps<\/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\/err_connection_reset\/#14_Mobile_Android_and_iOS\" title=\"14. Mobile (Android and iOS)\">14. Mobile (Android and iOS)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#15_Windows_Network_Reset_last_resort\" title=\"15. Windows Network Reset (last resort)\">15. Windows Network Reset (last resort)<\/a><\/li><\/ul><\/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\/err_connection_reset\/#Server-side_fixes_for_website_owners_developers_and_hosting_clients\" title=\"Server-side fixes (for website owners, developers, and hosting clients)\">Server-side fixes (for website owners, developers, and hosting clients)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#1_Confirm_the_outage_and_its_scope\" title=\"1. Confirm the outage and its scope\">1. Confirm the outage and its scope<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#2_Check_server_load_and_resource_limits\" title=\"2. Check server load and resource limits\">2. Check server load and resource limits<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#3_Fix_SSLTLS_certificate_and_protocol_issues\" title=\"3. Fix SSL\/TLS certificate and protocol issues\">3. Fix SSL\/TLS certificate and protocol issues<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#4_Review_your_server_firewall_and_security_rules\" title=\"4. Review your server firewall and security rules\">4. Review your server firewall and security rules<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#5_Inspect_reverse_proxy_load_balancer_and_CDN_settings\" title=\"5. Inspect reverse proxy, load balancer, and CDN settings\">5. Inspect reverse proxy, load balancer, and CDN settings<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#6_Read_your_server_logs\" title=\"6. Read your server logs\">6. Read your server logs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#7_Local_development_gotcha_IIS_Express\" title=\"7. Local development gotcha (IIS Express)\">7. Local development gotcha (IIS Express)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#ERR_CONNECTION_RESET_vs_similar_connection_errors\" title=\"ERR_CONNECTION_RESET vs. similar connection errors\">ERR_CONNECTION_RESET vs. similar connection errors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#How_to_prevent_ERR_CONNECTION_RESET\" title=\"How to prevent ERR_CONNECTION_RESET\">How to prevent ERR_CONNECTION_RESET<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#Conclusion\" title=\"Conclusion\">Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.copahost.com\/blog\/err_connection_reset\/#Frequently_Asked_Questions\" title=\"Frequently Asked Questions\">Frequently Asked Questions<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_ERR_CONNECTION_RESET_actually_means\"><\/span>What ERR_CONNECTION_RESET actually means<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>ERR_CONNECTION_RESET<\/code> (you may also see it written as <code>NET::ERR_CONNECTION_RESET<\/code> or, in older builds, <strong>Error 101<\/strong>) appears when the connection between your browser and a web server is <strong>established but then abruptly terminated before the data transfer can finish<\/strong>.<\/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\/Google-Chrome-showing-the-ERR_CONNECTION_RESET-error-page-1024x683.png\" alt=\"Google Chrome showing the ERR_CONNECTION_RESET error page &quot;This site can't be reached - the connection was reset&quot;\" class=\"wp-image-4721\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Google-Chrome-showing-the-ERR_CONNECTION_RESET-error-page-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Google-Chrome-showing-the-ERR_CONNECTION_RESET-error-page-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Google-Chrome-showing-the-ERR_CONNECTION_RESET-error-page-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/Google-Chrome-showing-the-ERR_CONNECTION_RESET-error-page.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">To understand why, it helps to know a little about how web connections work. When you open a website, your browser and the <a href=\"https:\/\/www.copahost.com\/blog\/what-is-web-server\/\">web server<\/a> perform a <strong>TCP handshake<\/strong> \u2014 a short exchange that opens a reliable channel for data. Once that channel is open, the server sends the page. <code>ERR_CONNECTION_RESET<\/code> happens when something sends a <strong>TCP RST (&#8220;reset&#8221;) packet<\/strong> in the middle of that process, slamming the channel shut. The connection was half-built, then dropped, so your browser gives up and shows the error.<\/p>\n\n\n\n<div style=\"border:1px solid #E2E8F0;border-radius:12px;padding:18px;margin:24px 0;background:#fff;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;\">\n  <div style=\"text-align:center;font-weight:700;font-size:15px;color:#475569;letter-spacing:.03em;text-transform:uppercase;margin-bottom:8px;\">How the connection gets reset<\/div>\n  <svg viewBox=\"0 0 680 360\" width=\"100%\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" font-family=\"-apple-system,Segoe UI,Roboto,Arial,sans-serif\" role=\"img\" aria-label=\"TCP handshake followed by an RST packet that triggers ERR_CONNECTION_RESET\">\n    <rect x=\"70\" y=\"20\" width=\"150\" height=\"40\" rx=\"8\" fill=\"#EFF6FF\" stroke=\"#2563EB\" stroke-width=\"1.5\"\/>\n    <text x=\"145\" y=\"45\" text-anchor=\"middle\" font-size=\"15\" font-weight=\"700\" fill=\"#1E40AF\">Your Browser<\/text>\n    <rect x=\"460\" y=\"20\" width=\"150\" height=\"40\" rx=\"8\" fill=\"#F5F3FF\" stroke=\"#7C3AED\" stroke-width=\"1.5\"\/>\n    <text x=\"535\" y=\"45\" text-anchor=\"middle\" font-size=\"15\" font-weight=\"700\" fill=\"#6D28D9\">Web Server<\/text>\n    <line x1=\"145\" y1=\"60\" x2=\"145\" y2=\"340\" stroke=\"#CBD5E1\" stroke-width=\"2\" stroke-dasharray=\"4 4\"\/>\n    <line x1=\"535\" y1=\"60\" x2=\"535\" y2=\"340\" stroke=\"#CBD5E1\" stroke-width=\"2\" stroke-dasharray=\"4 4\"\/>\n    <defs>\n      <marker id=\"arrR\" markerWidth=\"9\" markerHeight=\"9\" refX=\"7\" refY=\"3\" orient=\"auto\"><path d=\"M0,0 L7,3 L0,6 Z\" fill=\"#334155\"\/><\/marker>\n      <marker id=\"arrL\" markerWidth=\"9\" markerHeight=\"9\" refX=\"2\" refY=\"3\" orient=\"auto\"><path d=\"M7,0 L0,3 L7,6 Z\" fill=\"#334155\"\/><\/marker>\n      <marker id=\"arrRed\" markerWidth=\"10\" markerHeight=\"10\" refX=\"7\" refY=\"3\" orient=\"auto\"><path d=\"M0,0 L7,3 L0,6 Z\" fill=\"#DC2626\"\/><\/marker>\n    <\/defs>\n    <line x1=\"145\" y1=\"95\" x2=\"535\" y2=\"95\" stroke=\"#334155\" stroke-width=\"2\" marker-end=\"url(#arrR)\"\/>\n    <text x=\"340\" y=\"88\" text-anchor=\"middle\" font-size=\"13\" font-weight=\"600\" fill=\"#334155\">1 \u00b7 SYN<\/text>\n    <line x1=\"535\" y1=\"130\" x2=\"145\" y2=\"130\" stroke=\"#334155\" stroke-width=\"2\" marker-end=\"url(#arrL)\"\/>\n    <text x=\"340\" y=\"123\" text-anchor=\"middle\" font-size=\"13\" font-weight=\"600\" fill=\"#334155\">2 \u00b7 SYN-ACK<\/text>\n    <line x1=\"145\" y1=\"165\" x2=\"535\" y2=\"165\" stroke=\"#334155\" stroke-width=\"2\" marker-end=\"url(#arrR)\"\/>\n    <text x=\"340\" y=\"158\" text-anchor=\"middle\" font-size=\"13\" font-weight=\"600\" fill=\"#334155\">3 \u00b7 ACK<\/text>\n    <rect x=\"240\" y=\"182\" width=\"200\" height=\"26\" rx=\"13\" fill=\"#DCFCE7\" stroke=\"#16A34A\" stroke-width=\"1\"\/>\n    <text x=\"340\" y=\"199\" text-anchor=\"middle\" font-size=\"12.5\" font-weight=\"700\" fill=\"#15803D\">\u2713 Connection established<\/text>\n    <line x1=\"145\" y1=\"238\" x2=\"535\" y2=\"238\" stroke=\"#94A3B8\" stroke-width=\"2\" stroke-dasharray=\"5 4\" marker-end=\"url(#arrR)\"\/>\n    <text x=\"340\" y=\"231\" text-anchor=\"middle\" font-size=\"12.5\" fill=\"#64748B\">data transfer begins\u2026<\/text>\n    <line x1=\"535\" y1=\"276\" x2=\"160\" y2=\"276\" stroke=\"#DC2626\" stroke-width=\"3\" marker-end=\"url(#arrRed)\"\/>\n    <text x=\"350\" y=\"269\" text-anchor=\"middle\" font-size=\"14\" font-weight=\"800\" fill=\"#DC2626\">\u2715 RST (reset packet)<\/text>\n    <rect x=\"170\" y=\"300\" width=\"340\" height=\"40\" rx=\"10\" fill=\"#FEF2F2\" stroke=\"#DC2626\" stroke-width=\"1.5\"\/>\n    <text x=\"340\" y=\"325\" text-anchor=\"middle\" font-size=\"14.5\" font-weight=\"800\" fill=\"#B91C1C\">\u2192 ERR_CONNECTION_RESET<\/text>\n  <\/svg>\n  <p style=\"text-align:center;font-size:13px;color:#64748B;margin:6px 0 0;\">The channel is opened, then a reset packet from a firewall, security filter, or the server tears it down mid-transfer.<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The key takeaway: <strong>this is a connectivity\/transport problem, not a &#8220;page not found&#8221; problem.<\/strong> The server (or something between you and the server) was reachable enough to start a conversation, but the conversation was cut off. That distinction is what makes the error tricky \u2014 the culprit can be your antivirus, a VPN, a corrupted network setting, an overloaded server, an expired SSL certificate, or a firewall rule, among others.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_causes_at_a_glance\"><\/span>Common causes at a glance<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div style=\"display:flex;flex-wrap:wrap;gap:16px;margin:24px 0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1E293B;\">\n  <div style=\"flex:1 1 320px;border:1px solid #BFDBFE;border-radius:12px;overflow:hidden;background:#fff;\">\n    <div style=\"display:flex;align-items:center;gap:10px;background:#EFF6FF;padding:14px 18px;border-bottom:1px solid #BFDBFE;\">\n      <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#2563EB\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"2\" y=\"3\" width=\"20\" height=\"14\" rx=\"2\"\/><path d=\"M8 21h8M12 17v4\"\/><\/svg>\n      <strong style=\"font-size:16px;color:#1E40AF;\">Client side <span style=\"font-weight:500;color:#3B6FD4;\">(your device \/ network)<\/span><\/strong>\n    <\/div>\n    <ul style=\"list-style:none;margin:0;padding:14px 18px;font-size:15px;line-height:1.7;\">\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>Corrupted browser cache or cookies<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>A misbehaving browser extension<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>VPN or proxy interference<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>Overzealous antivirus \/ firewall<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>Corrupted Windows network stack (Winsock)<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>Outdated network drivers or router firmware<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>Incorrect MTU setting<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#2563EB;\">\u25b9<\/span>DNS problems<\/li>\n    <\/ul>\n  <\/div>\n  <div style=\"flex:1 1 320px;border:1px solid #DDD6FE;border-radius:12px;overflow:hidden;background:#fff;\">\n    <div style=\"display:flex;align-items:center;gap:10px;background:#F5F3FF;padding:14px 18px;border-bottom:1px solid #DDD6FE;\">\n      <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#7C3AED\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"2\" y=\"2\" width=\"20\" height=\"8\" rx=\"2\"\/><rect x=\"2\" y=\"14\" width=\"20\" height=\"8\" rx=\"2\"\/><path d=\"M6 6h.01M6 18h.01\"\/><\/svg>\n      <strong style=\"font-size:16px;color:#6D28D9;\">Server side <span style=\"font-weight:500;color:#8B5CF6;\">(the website)<\/span><\/strong>\n    <\/div>\n    <ul style=\"list-style:none;margin:0;padding:14px 18px;font-size:15px;line-height:1.7;\">\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#7C3AED;\">\u25b9<\/span>Server overloaded or out of resources<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#7C3AED;\">\u25b9<\/span>Expired or misconfigured SSL\/TLS certificate<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#7C3AED;\">\u25b9<\/span>Server lacks a modern TLS version<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#7C3AED;\">\u25b9<\/span>Firewall (ModSecurity, CSF, fail2ban) blocking the IP<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#7C3AED;\">\u25b9<\/span>Misconfigured reverse proxy, load balancer or CDN<\/li>\n      <li style=\"padding-left:24px;position:relative;\"><span style=\"position:absolute;left:0;color:#7C3AED;\">\u25b9<\/span>The site is simply down<\/li>\n    <\/ul>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"First_is_it_you_or_the_website_60-second_triage\"><\/span>First: is it you or the website? (60-second triage)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Before changing a single setting, find out which side the problem is on. This one step saves most people a lot of wasted effort.<\/p>\n\n\n\n<div style=\"border:1px solid #E2E8F0;border-radius:12px;padding:22px;margin:24px 0;background:#F8FAFC;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1E293B;\">\n  <div style=\"text-align:center;font-weight:700;font-size:15px;color:#475569;letter-spacing:.03em;text-transform:uppercase;margin-bottom:18px;\">Is it you or the website?<\/div>\n  <div style=\"max-width:520px;margin:0 auto;\">\n    <div style=\"background:#1E293B;color:#fff;border-radius:10px;padding:12px 16px;text-align:center;font-weight:600;font-size:15px;\">&#x26a0; ERR_CONNECTION_RESET appears<\/div>\n    <div style=\"text-align:center;color:#94A3B8;font-size:22px;line-height:1;margin:6px 0;\">\u2193<\/div>\n    <div style=\"background:#fff;border:2px solid #CBD5E1;border-radius:10px;padding:12px 16px;text-align:center;font-weight:600;font-size:15px;\">Does the site open on another device or network? <span style=\"display:block;font-weight:400;color:#64748B;font-size:13px;\">(e.g. your phone on mobile data)<\/span><\/div>\n    <div style=\"display:flex;gap:14px;margin-top:14px;\">\n      <div style=\"flex:1;\">\n        <div style=\"text-align:center;\"><span style=\"display:inline-block;background:#DCFCE7;color:#15803D;font-weight:700;font-size:12px;padding:3px 12px;border-radius:999px;\">YES<\/span><div style=\"color:#94A3B8;font-size:20px;line-height:1;\">\u2193<\/div><\/div>\n        <div style=\"background:#EFF6FF;border:1px solid #BFDBFE;border-left:4px solid #2563EB;border-radius:10px;padding:12px 14px;font-size:14px;\">\n          <strong style=\"color:#1E40AF;\">It&#8217;s on your side<\/strong><br><span style=\"color:#475569;\">Go to the client-side fixes (cache, extensions, VPN, TCP\/IP reset).<\/span>\n        <\/div>\n      <\/div>\n      <div style=\"flex:1;\">\n        <div style=\"text-align:center;\"><span style=\"display:inline-block;background:#FEE2E2;color:#B91C1C;font-weight:700;font-size:12px;padding:3px 12px;border-radius:999px;\">NO<\/span><div style=\"color:#94A3B8;font-size:20px;line-height:1;\">\u2193<\/div><\/div>\n        <div style=\"background:#fff;border:2px solid #CBD5E1;border-radius:10px;padding:10px 12px;font-size:13.5px;font-weight:600;text-align:center;\">Is it down for everyone?<span style=\"display:block;font-weight:400;color:#64748B;font-size:12px;\">check downforeveryoneorjustme.com<\/span><\/div>\n        <div style=\"display:flex;gap:8px;margin-top:10px;\">\n          <div style=\"flex:1;background:#F5F3FF;border:1px solid #DDD6FE;border-left:4px solid #7C3AED;border-radius:8px;padding:8px 10px;font-size:12.5px;\"><strong style=\"color:#6D28D9;\">Down globally \u2192<\/strong> <span style=\"color:#475569;\">server problem. Wait, or fix server-side if it&#8217;s your site.<\/span><\/div>\n          <div style=\"flex:1;background:#FFF8EB;border:1px solid #F3D58A;border-left:4px solid #E0A22A;border-radius:8px;padding:8px 10px;font-size:12.5px;\"><strong style=\"color:#B07514;\">Up for others \u2192<\/strong> <span style=\"color:#475569;\">your route\/DNS. Flush &amp; change DNS, reset TCP\/IP.<\/span><\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Open the same site on another network or device.<\/strong> Switch from Wi-Fi to mobile data on your phone, or try a different computer. If the site loads elsewhere, the problem is almost certainly on <strong>your<\/strong> device or network \u2014 jump to the client-side fixes. If it fails everywhere, the problem is likely the <strong>website&#8217;s server<\/strong>.<\/li>\n\n\n\n<li><strong>Check whether the site is down for everyone.<\/strong> Use a service such as <em>Down for Everyone or Just Me<\/em> or <em>Is It Down Right Now<\/em>, which test the site from multiple locations. If it reports the site as down globally, there is nothing to fix on your end \u2014 the issue is the server, and only the site owner or host can resolve it.<\/li>\n\n\n\n<li><strong>Try one other browser.<\/strong> If the error appears in Chrome but not in Firefox or Edge, the cause is browser-specific (extensions, cache, or profile) rather than a network or server fault.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Once you know which side you are on, work through the relevant section below.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Client-side_fixes_for_visitors\"><\/span>Client-side fixes (for visitors)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">These are ordered from the quickest and most common to the more advanced. Work down the list and re-test the site after each step.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Reload_and_check_your_connection\"><\/span>1. Reload and check your connection<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Start with the obvious. Reload the page (Ctrl+R \/ Cmd+R). Then confirm your internet is actually working by opening a couple of unrelated sites. If everything is failing, the issue is your connectivity, not the site.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Restart_your_router_and_modem\"><\/span>2. Restart your router and modem<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A surprising number of connection resets come from a router that has been running for weeks with a cluttered memory or a stale session. Unplug the router (and modem, if separate) from power, wait at least 30 seconds so any residual charge clears and the memory empties, then plug it back in. Let it fully reconnect and try again. If you can, connect via Ethernet cable instead of Wi-Fi to rule out wireless instability.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Clear_your_browser_cache_and_cookies\"><\/span>3. Clear your browser cache and cookies<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your browser stores cached files and cookies to load sites faster. When that stored data becomes outdated or corrupted \u2014 the same kind of cache trouble behind the <a href=\"https:\/\/www.copahost.com\/blog\/err_cache_miss\/\">ERR_CACHE_MISS error<\/a> \u2014 it can break the connection setup and trigger ERR_CONNECTION_RESET.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In <strong>Chrome<\/strong>: open the three-dot menu \u2192 <strong>Delete browsing data<\/strong> (or press <strong>Ctrl+Shift+Delete<\/strong> on Windows \/ <strong>Cmd+Shift+Delete<\/strong> on macOS). Set the time range to <strong>All time<\/strong>, tick <strong>Cookies and other site data<\/strong> and <strong>Cached images and files<\/strong>, then click <strong>Delete data<\/strong>. Restart the browser and retry.<\/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\/clear-chrome-cache-cookies-1024x683.png\" alt=\"Chrome &quot;Delete browsing data&quot; dialog set to All time to clear cache and cookies and fix ERR_CONNECTION_RESET\" class=\"wp-image-4723\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/clear-chrome-cache-cookies-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/clear-chrome-cache-cookies-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/clear-chrome-cache-cookies-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/clear-chrome-cache-cookies.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The same shortcut works in Edge, Firefox, and most other browsers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Flush_the_DNS_cache_browser_and_operating_system\"><\/span>4. Flush the DNS cache (browser and operating system)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Chrome keeps its own internal <a href=\"https:\/\/www.copahost.com\/blog\/what-does-dns-stand-for\/\">DNS<\/a> cache separate from your operating system, so clear both.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>In Chrome<\/strong>, type <code>chrome:\/\/net-internals\/#dns<\/code> in the address bar, press Enter, and click <strong>Clear host cache<\/strong>.<\/li>\n\n\n\n<li><strong>On Windows<\/strong>, open Command Prompt and run <code>ipconfig \/flushdns<\/code>.<\/li>\n\n\n\n<li><strong>On macOS<\/strong>, run <code>sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder<\/code> in Terminal.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Test_in_Incognito_mode_and_disable_extensions\"><\/span>5. Test in Incognito mode and disable extensions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Browser extensions \u2014 especially ad blockers, privacy tools, and VPN add-ons \u2014 are among the most frequent triggers. Open an <strong>Incognito\/Private window<\/strong> (where extensions are disabled by default) and load the site. If it works there, an extension is the culprit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To find which one, go to <code>chrome:\/\/extensions<\/code>, turn them all off, then re-enable them one at a time, testing the site after each, until the offender reveals itself.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Disable_your_VPN_or_proxy\"><\/span>6. Disable your VPN or proxy<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VPNs and proxies reroute your traffic and can cause resets, particularly with certain protocols or on certain operating systems. Temporarily disconnect your VPN and try again. If you use a VPN regularly, switching its protocol (for example, from one tunneling mode to another) often resolves the issue without disabling it entirely.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To check <strong>system proxy settings on Windows<\/strong>: open <strong>Settings \u2192 Network &amp; internet \u2192 Proxy<\/strong> and turn off <strong>Automatically detect settings<\/strong>, plus any manual proxy. You can also open <strong>Internet Properties<\/strong> (run <code>inetcpl.cpl<\/code>) \u2192 <strong>Connections<\/strong> tab \u2192 <strong>LAN settings<\/strong>, and make sure every box is unchecked.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Temporarily_disable_antivirus_and_firewall_then_re-enable\"><\/span>7. Temporarily disable antivirus and firewall (then re-enable)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Security software sometimes mistakes legitimate traffic for a threat and resets the connection. As a <strong>test only<\/strong>, briefly disable your third-party antivirus and the system firewall, then load the site.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Windows firewall<\/strong>: Settings \u2192 Privacy &amp; Security \u2192 Windows Security \u2192 <strong>Firewall &amp; network protection<\/strong>, and turn it off for the active profile.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If the site loads with protection off, <strong>do not leave it off<\/strong>. Re-enable your security software and instead add the website to its list of exceptions\/allowed sites.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_Update_or_reset_your_browser\"><\/span>8. Update or reset your browser<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">An outdated browser can carry connection bugs. In Chrome, go to the three-dot menu \u2192 <strong>Help \u2192 About Google Chrome<\/strong>; it will check for and install updates automatically. Restart afterward.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If updates do not help, <strong>reset Chrome<\/strong> to its defaults: Settings \u2192 <strong>Reset settings \u2192 Restore settings to their original defaults<\/strong>. This clears misconfigurations and disables extensions without deleting your bookmarks or passwords.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_Reset_the_TCPIP_stack_and_Winsock_Windows\"><\/span>9. Reset the TCP\/IP stack and Winsock (Windows)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If the error persists, your Windows network stack may be corrupted at a level individual settings cannot reach. Resetting it rebuilds the <strong>Winsock catalog<\/strong> (the API layer Windows uses for all network communication) and restores TCP\/IP to defaults.<\/p>\n\n\n\n<div role=\"note\" style=\"display:flex;gap:14px;align-items:flex-start;background:#FFF8EB;border:1px solid #F3D58A;border-left:4px solid #E0A22A;border-radius:10px;padding:16px 18px;margin:24px 0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#4A3A12;line-height:1.55;\">\n  <svg width=\"22\" height=\"22\" viewBox=\"0 0 24 24\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"flex:0 0 auto;margin-top:1px;\" aria-hidden=\"true\">\n    <path d=\"M12 9v4m0 4h.01M10.29 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\" stroke=\"#E0A22A\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n  <\/svg>\n  <div>\n    <strong style=\"display:block;font-size:14px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:#B07514;margin-bottom:4px;\">Before you start<\/strong>\n    <span style=\"font-size:15.5px;\">This wipes custom DNS entries and static IP settings \u2014 <strong style=\"color:#7A5A10;\">note them down first<\/strong>.<\/span>\n  <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Open <strong>Command Prompt as administrator<\/strong> (right-click \u2192 Run as administrator) and run these commands one at a time, pressing Enter after each:<\/p>\n\n\n<pre class=\"wp-block-code\"><span><code class=\"hljs\">netsh winsock reset\nnetsh int ip reset\nipconfig \/release\nipconfig \/renew\nipconfig \/flushdns<\/code><\/span><\/pre>\n\n\n<p class=\"wp-block-paragraph\">Restart your computer and test the site. This single sequence resolves a large share of stubborn <code>ERR_CONNECTION_RESET<\/code> cases on Windows.<\/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\/reset-tcp-ip-winsock-windows-1024x683.png\" alt=\"Windows Command Prompt resetting the TCP\/IP stack and Winsock with netsh and ipconfig commands\" class=\"wp-image-4725\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/reset-tcp-ip-winsock-windows-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/reset-tcp-ip-winsock-windows-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/reset-tcp-ip-winsock-windows-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/reset-tcp-ip-winsock-windows.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_Change_your_DNS_servers\"><\/span>10. Change your DNS servers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your ISP&#8217;s default DNS can be slow or unreliable. Switching to a public resolver such as <strong>Google (8.8.8.8 \/ 8.8.4.4)<\/strong> or <strong>Cloudflare (1.1.1.1 \/ 1.0.0.1)<\/strong> often clears connection issues.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On Windows: Network adapter properties \u2192 <strong>Internet Protocol Version 4 (TCP\/IPv4)<\/strong> \u2192 <strong>Use the following DNS server addresses<\/strong> \u2192 enter the values above \u2192 OK. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you recently changed your site&#8217;s own DNS records, remember those edits also need to <a href=\"https:\/\/www.copahost.com\/blog\/dns-propagation\/\">propagate across the internet<\/a> before they take effect everywhere.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/change-dns-windows-8888-1024x768.png\" alt=\"Setting Google public DNS 8.8.8.8 in Windows TCP\/IPv4 properties to fix connection reset errors\" class=\"wp-image-4727\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/change-dns-windows-8888-1024x768.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/change-dns-windows-8888-300x225.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/change-dns-windows-8888-768x576.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/change-dns-windows-8888.png 1448w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Adjust_the_MTU_size\"><\/span>11. Adjust the MTU size<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>MTU (Maximum Transmission Unit)<\/strong> is the largest packet size your connection sends at once. If it is set too high for your network, packets get fragmented or dropped, which can cause resets \u2014 a classic culprit on some VPNs and routers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To find your optimal value on Windows, run <code>ping example.com -f -l 1472<\/code>, lowering the <code>1472<\/code> by 10 each time until the ping succeeds without &#8220;Packet needs to be fragmented.&#8221; Add 28 to that number for your ideal MTU, then set it on your router or adapter.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Update_your_network_adapter_drivers\"><\/span>12. Update your network adapter drivers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Outdated drivers cause packet corruption and failed TCP handshakes. On Windows, open <strong>Device Manager \u2192 Network adapters<\/strong>, right-click your adapter, and choose <strong>Update driver<\/strong>. This is especially worth doing after a major Windows feature update that may have broken driver compatibility.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_macOS-specific_steps\"><\/span>13. macOS-specific steps<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">On a Mac, in addition to flushing DNS (step 4): open <strong>System Settings \u2192 Network<\/strong>, select your active connection, and renew the DHCP lease (Details \u2192 TCP\/IP \u2192 <strong>Renew DHCP Lease<\/strong>). If problems continue, remove the network service and add it back, or create a fresh network <strong>Location<\/strong> (System Settings \u2192 Network \u2192 the location menu \u2192 Edit Locations).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14_Mobile_Android_and_iOS\"><\/span>14. Mobile (Android and iOS)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">On phones and tablets, the error usually traces to the network or the browser:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Toggle <strong>Airplane mode<\/strong> on and off to refresh the cellular\/Wi-Fi connection.<\/li>\n\n\n\n<li>Switch between Wi-Fi and mobile data to isolate the network.<\/li>\n\n\n\n<li>Clear the browser app&#8217;s cache (Android: App info \u2192 Storage \u2192 Clear cache).<\/li>\n\n\n\n<li>On Android, <strong>Reset network settings<\/strong> (Settings \u2192 System \u2192 Reset \u2192 Reset Wi-Fi, mobile &amp; Bluetooth).<\/li>\n\n\n\n<li>On iOS, <strong>Settings \u2192 General \u2192 Transfer or Reset iPhone \u2192 Reset \u2192 Reset Network Settings<\/strong>.<\/li>\n\n\n\n<li>Disable any mobile VPN or content-blocker app.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"15_Windows_Network_Reset_last_resort\"><\/span>15. Windows Network Reset (last resort)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If nothing else works and the problem is confined to one PC, use Windows&#8217; full network reset, which removes and reinstalls every network adapter: <strong>Settings \u2192 Network &amp; internet \u2192 Advanced network settings \u2192 Network reset \u2192 Reset now<\/strong>. Your computer will restart and you will need to reconnect to your Wi-Fi afterward.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Server-side_fixes_for_website_owners_developers_and_hosting_clients\"><\/span>Server-side fixes (for website owners, developers, and hosting clients)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If the error shows up for your visitors \u2014 or for everyone, everywhere \u2014 the problem is on the server, and no amount of cache-clearing on a visitor&#8217;s end will help. This is the part most guides skip, and it is where the real fix often lives.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_Confirm_the_outage_and_its_scope\"><\/span>1. Confirm the outage and its scope<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Use a multi-location uptime checker to confirm the site is unreachable globally, not just from one region. If only some regions fail, suspect a CDN edge, a geographically applied firewall rule, or a routing problem rather than the origin server itself.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_Check_server_load_and_resource_limits\"><\/span>2. Check server load and resource limits<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A server that is out of CPU, RAM, or available connections will start resetting new connections instead of serving them. Review your hosting metrics. Sudden traffic spikes, a runaway process, a backup job, or a plugin gone wrong can exhaust resources.If your site has genuinely outgrown its plan, <strong>scaling up your hosting<\/strong> (more RAM, more CPU, or moving from shared to a <a href=\"https:\/\/www.copahost.com\/en\/vps-hosting\">VPS\/cloud plan<\/a>) is the durable fix rather than a temporary patch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_Fix_SSLTLS_certificate_and_protocol_issues\"><\/span>3. Fix SSL\/TLS certificate and protocol issues<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">This is one of the sneakiest causes, because it can affect <strong>only some visitors<\/strong> while working fine for you.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Expired certificate:<\/strong> renew it. With Let&#8217;s Encrypt, confirm auto-renewal is actually running.<\/li>\n\n\n\n<li><strong>Broken certificate chain:<\/strong> a missing intermediate certificate makes some clients reset the connection while others tolerate it. Validate the full chain with an online SSL checker (such as SSL Labs).<\/li>\n\n\n\n<li><strong>Outdated TLS version:<\/strong> modern browsers refuse and reset connections to servers that only offer old protocols. Make sure your server supports <strong>TLS 1.2 and TLS 1.3<\/strong> and has disabled obsolete versions.<\/li>\n<\/ul>\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\/ssl-certificate-chain-check-1024x683.png\" alt=\"SSL Labs report highlighting a broken certificate chain that can cause ERR_CONNECTION_RESET for some visitors\" class=\"wp-image-4728\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/ssl-certificate-chain-check-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/ssl-certificate-chain-check-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/ssl-certificate-chain-check-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/ssl-certificate-chain-check.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">For a full walkthrough of this specific error, see our guide to <a href=\"https:\/\/www.copahost.com\/blog\/err_ssl_protocol_error\/\">ERR_SSL_PROTOCOL_ERROR<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Review_your_server_firewall_and_security_rules\"><\/span>4. Review your server firewall and security rules<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Server-level security tools can reset connections from visitors they wrongly flag.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ModSecurity<\/strong> (WAF) false positives can block legitimate requests \u2014 review the audit log and whitelist the rule or IP.<\/li>\n\n\n\n<li><strong>CSF\/LFD<\/strong> or <strong>fail2ban<\/strong> may have banned a visitor&#8217;s IP after misread &#8220;suspicious&#8221; activity.<\/li>\n\n\n\n<li>In <strong>cPanel<\/strong> or <strong>Plesk<\/strong>, check the firewall and security modules to ensure they are not blocking real users.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_Inspect_reverse_proxy_load_balancer_and_CDN_settings\"><\/span>5. Inspect reverse proxy, load balancer, and CDN settings<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you sit behind <strong>Cloudflare<\/strong>, another CDN, a reverse proxy (Nginx), or a load balancer, a mismatch there is a common reset source. For Cloudflare specifically, an incorrect <strong><a href=\"https:\/\/www.copahost.com\/blog\/ssl-vs-tls\/\">SSL\/TLS<\/a> encryption mode<\/strong> (for example, &#8220;Full (strict)&#8221; pointing at an origin without a valid certificate) produces exactly this kind of failure. Verify that proxy SSL settings and origin certificates line up.<\/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\/cloudflare-ssl-tls-mode-1024x683.png\" alt=\"Cloudflare SSL\/TLS encryption mode set to Full (strict) to prevent connection resets behind the CDN\" class=\"wp-image-4729\" srcset=\"https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/cloudflare-ssl-tls-mode-1024x683.png 1024w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/cloudflare-ssl-tls-mode-300x200.png 300w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/cloudflare-ssl-tls-mode-768x512.png 768w, https:\/\/www.copahost.com\/blog\/wp-content\/uploads\/2026\/06\/cloudflare-ssl-tls-mode.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_Read_your_server_logs\"><\/span>6. Read your server logs<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Your access and error logs are the ground truth. Look for entries mentioning <strong>connection reset<\/strong>, <strong>timeout<\/strong>, or repeated dropped requests, and correlate their timestamps with the failures. Logs frequently point straight to the offending service \u2014 PHP-FPM, the web server, a database, or the firewall \u2014 the same culprits behind a <a href=\"https:\/\/www.copahost.com\/blog\/how-to-fix-500-internal-server-error\/\">500 Internal Server Error<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_Local_development_gotcha_IIS_Express\"><\/span>7. Local development gotcha (IIS Express)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Developers running local servers under <strong>IIS Express<\/strong> sometimes hit <code>ERR_CONNECTION_RESET<\/code> because of self-signed certificate problems. The fix is to reinstall the development certificate with the proper command-line tools rather than deleting it manually from the certificate store.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ERR_CONNECTION_RESET_vs_similar_connection_errors\"><\/span>ERR_CONNECTION_RESET vs. similar connection errors<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Chrome&#8217;s connection errors look alike but mean different things. Knowing the difference points you to the right fix.<\/p>\n\n\n\n<div style=\"margin:24px 0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1E293B;overflow-x:auto;\">\n  <table style=\"width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;border:1px solid #E2E8F0;border-radius:12px;overflow:hidden;\">\n    <thead>\n      <tr style=\"background:#1E3A8A;color:#fff;text-align:left;\">\n        <th style=\"padding:13px 16px;font-weight:700;\">Error code<\/th>\n        <th style=\"padding:13px 16px;font-weight:700;\">What it means<\/th>\n        <th style=\"padding:13px 16px;font-weight:700;\">Typical cause<\/th>\n      <\/tr>\n    <\/thead>\n    <tbody>\n      <tr style=\"background:#FEF2F2;\">\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;border-left:4px solid #DC2626;font-weight:700;color:#B91C1C;white-space:nowrap;\">\u27f2 ERR_CONNECTION_RESET<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#334155;\">Connection opened, then abruptly cut (TCP reset)<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#475569;\">Firewall\/antivirus, VPN, corrupt network stack, server resets, SSL\/TLS<\/td>\n      <\/tr>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;border-left:4px solid #EA580C;font-weight:700;color:#C2410C;white-space:nowrap;\">\u2298 ERR_CONNECTION_REFUSED<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#334155;\">Server actively rejected the connection<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#475569;\">Service not running, wrong port, server-side block<\/td>\n      <\/tr>\n      <tr style=\"background:#FFFBEB;\">\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;border-left:4px solid #D97706;font-weight:700;color:#B45309;white-space:nowrap;\">&#x23f1; ERR_CONNECTION_TIMED_OUT<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#334155;\">No response within the time limit<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#475569;\">Slow network, overloaded server, firewall dropping packets<\/td>\n      <\/tr>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;border-left:4px solid #7C3AED;font-weight:700;color:#6D28D9;white-space:nowrap;\">\u22a0 ERR_CONNECTION_CLOSED<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#334155;\">Connection closed before any data<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#475569;\">Network instability, server closing the socket early<\/td>\n      <\/tr>\n      <tr style=\"background:#EFF6FF;\">\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;border-left:4px solid #2563EB;font-weight:700;color:#1D4ED8;white-space:nowrap;\">\u21c4 ERR_NETWORK_CHANGED<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#334155;\">Network changed mid-request<\/td>\n        <td style=\"padding:12px 16px;border-bottom:1px solid #EEF2F7;color:#475569;\">Switching Wi-Fi\/VPN, dropping connection<\/td>\n      <\/tr>\n      <tr style=\"background:#fff;\">\n        <td style=\"padding:12px 16px;border-left:4px solid #0D9488;font-weight:700;color:#0F766E;white-space:nowrap;\">&#x1f50d; ERR_NAME_NOT_RESOLVED<\/td>\n        <td style=\"padding:12px 16px;color:#334155;\">Domain name could not be resolved<\/td>\n        <td style=\"padding:12px 16px;color:#475569;\">DNS failure, mistyped domain<\/td>\n      <\/tr>\n    <\/tbody>\n  <\/table>\n  <p style=\"font-size:13px;color:#64748B;margin:8px 2px 0;\"><strong>Remember:<\/strong> <span style=\"color:#B91C1C;\">reset<\/span> = channel forcibly torn down \u00b7 <span style=\"color:#C2410C;\">refused<\/span> = never accepted \u00b7 <span style=\"color:#B45309;\">timed out<\/span> = never answered.<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The pattern to remember: <em>reset<\/em> means the channel was forcibly torn down, <em>refused<\/em> means it was never accepted, and <em>timed out<\/em> means it was never answered. If a connection is refused outright rather than reset mid-transfer, see our full guide to the <a href=\"https:\/\/www.copahost.com\/blog\/err_connection_refused\/\">ERR_CONNECTION_REFUSED error<\/a> \u2014 and when the server simply never answers, the <a href=\"https:\/\/www.copahost.com\/blog\/err_connection_timed_out\/\">ERR_CONNECTION_TIMED_OUT guide<\/a> covers that case.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_prevent_ERR_CONNECTION_RESET\"><\/span>How to prevent ERR_CONNECTION_RESET<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>For everyday users:<\/strong> keep your browser and operating system updated, be selective with extensions and VPN apps, restart your router periodically, and add trusted sites to your antivirus exceptions instead of fighting repeated blocks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>For website owners:<\/strong> monitor server resources and set up alerts before you hit limits; automate SSL renewal and verify the full certificate chain; keep TLS configuration modern; tune your WAF and firewall to minimize false positives; and choose a host that gives you room to scale and visibility into your logs. Most chronic, site-wide reset problems trace back to resource exhaustion or SSL misconfiguration \u2014 both entirely preventable with the right hosting setup.<\/p>\n\n\n\n<div style=\"max-width:760px;margin:32px auto;background:linear-gradient(135deg,#1E3A8A 0%,#2563EB 100%);border-radius:16px;padding:32px 28px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#fff;box-shadow:0 10px 30px rgba(37,99,235,.25);\">\n  <div style=\"display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap;\">\n    <div style=\"flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:12px;background:rgba(255,255,255,.15);\">\n      <svg width=\"28\" height=\"28\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#fff\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><rect x=\"2\" y=\"2\" width=\"20\" height=\"8\" rx=\"2\"\/><rect x=\"2\" y=\"14\" width=\"20\" height=\"8\" rx=\"2\"\/><path d=\"M6 6h.01M6 18h.01\"\/><\/svg>\n    <\/div>\n    <div style=\"flex:1 1 320px;min-width:260px;\">\n      <div style=\"font-size:22px;font-weight:800;line-height:1.25;margin-bottom:8px;\">Tired of connection resets dragging your site down?<\/div>\n      <p style=\"margin:0 0 18px;font-size:15.5px;line-height:1.6;color:#DBEAFE;\">Most chronic ERR_CONNECTION_RESET problems come down to the hosting: not enough resources, misconfigured SSL, or a firewall you can&#8217;t control. Copahost gives you room to scale, SSL included, and support that actually reads your server logs.<\/p>\n      <a href=\"https:\/\/www.copahost.com\/\" style=\"display:inline-flex;align-items:center;gap:8px;background:#fff;color:#1E3A8A;font-weight:700;font-size:15.5px;text-decoration:none;padding:13px 26px;border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,.15);\">\n        Explore Copahost hosting\n        <svg width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#1E3A8A\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M5 12h14M13 6l6 6-6 6\"\/><\/svg>\n      <\/a>\n    <\/div>\n  <\/div>\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\"><code>ERR_CONNECTION_RESET<\/code> is unsettling because it is vague, but it is rarely mysterious once you know the method: <strong>first determine whether the problem is on your side or the website&#8217;s, then work the matching checklist from simple to advanced.<\/strong> For visitors, the wins usually come from clearing cache, disabling an extension or VPN, or resetting the Windows network stack. For website owners, they come from fixing SSL, easing server load, and tuning firewall rules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you run a website and these resets keep coming back, the underlying issue is often the hosting environment itself \u2014 not enough resources, misconfigured SSL, or a firewall you cannot fully control. A reliable host with proper resource headroom, automated SSL, and transparent server logs removes most of these problems at the root.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>Frequently Asked Questions<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<section class=\"crr-faq\" style=\"max-width:760px;margin:32px auto;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1E293B;\">\n  <style>\n    .crr-faq details{border:1px solid #E2E8F0;border-radius:10px;margin:10px 0;background:#fff;overflow:hidden;transition:border-color .15s;}\n    .crr-faq details[open]{border-color:#BFDBFE;box-shadow:0 1px 4px rgba(37,99,235,.08);}\n    .crr-faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;padding:16px 18px;font-size:16px;font-weight:600;color:#1E293B;}\n    .crr-faq summary::-webkit-details-marker{display:none;}\n    .crr-faq summary .q{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:6px;background:#EFF6FF;color:#2563EB;font-weight:800;font-size:14px;}\n    .crr-faq summary .chev{margin-left:auto;flex:0 0 auto;transition:transform .2s;color:#94A3B8;}\n    .crr-faq details[open] summary .chev{transform:rotate(180deg);}\n    .crr-faq .ans{padding:0 18px 16px 54px;font-size:15px;line-height:1.65;color:#475569;}\n  <\/style>\n  \n  <p style=\"color:#64748B;font-size:15px;margin:0 0 16px;\">Quick answers to the most common questions about the ERR_CONNECTION_RESET error.<\/p>\n  <details>\n    <summary><span class=\"q\">?<\/span>What does ERR_CONNECTION_RESET mean?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">It means your browser opened a connection to the website&#8217;s server, but that connection was abruptly cut \u2014 a TCP &#8220;reset&#8221; \u2014 before the page could load. It points to a network or transport problem somewhere between your device and the server, rather than a missing page.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>How do I fix ERR_CONNECTION_RESET quickly?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">Start with the fast wins: reload the page, restart your router, clear your browser cache and cookies, and try the site in Incognito or another browser. If it persists on Windows, reset the network stack with <code>netsh winsock reset<\/code> and <code>netsh int ip reset<\/code>, then restart. Most cases clear up within these steps.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>Is ERR_CONNECTION_RESET a virus?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">No. It&#8217;s a network\/connection error, not malware. That said, an aggressive antivirus \u2014 or, rarely, an actual infection \u2014 can interfere with connections, so keeping your system clean and updated helps rule it out.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>Why do I get ERR_CONNECTION_RESET on only one website?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">When a single site fails while everything else works, the cause is usually that site&#8217;s server (an SSL problem, a firewall rule blocking your IP, or an outage) or a corrupted cookie\/cache entry for that one domain. Clear that site&#8217;s data; if it still fails everywhere, it&#8217;s the server.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>Can a VPN or antivirus cause ERR_CONNECTION_RESET?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">Yes \u2014 both are among the most common triggers. A VPN can reset connections depending on its protocol, and security software sometimes flags safe traffic and drops the connection. Test by disabling the VPN and briefly turning off the firewall\/antivirus; if that fixes it, switch VPN protocol or add the site to your security exceptions.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>Does clearing my cache delete my saved passwords?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">Clearing cached files does not remove saved passwords. Clearing cookies, however, logs you out of websites. Choose what you clear accordingly.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>Does this error happen only in Chrome?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">No. It&#8217;s most associated with Chrome&#8217;s wording, but Edge, Brave and other Chromium browsers show the same ERR_CONNECTION_RESET, and Firefox shows the equivalent &#8220;The connection was reset.&#8221; Testing in a second browser quickly tells you whether the cause is browser-specific.<\/div>\n  <\/details>\n  <details>\n    <summary><span class=\"q\">?<\/span>I&#8217;m a site owner and only some visitors see the error \u2014 why?<svg class=\"chev\" width=\"18\" height=\"18\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/summary>\n    <div class=\"ans\">That pattern almost always points to an SSL\/TLS issue (a broken certificate chain or an outdated protocol that only some clients tolerate) or a firewall rule that has banned specific IP ranges. Validate your certificate chain and review your server security logs first.<\/div>\n  <\/details>\n<\/section>\n\n\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\":\"Question\",\"name\":\"What does ERR_CONNECTION_RESET mean?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It means your browser opened a connection to the website's server, but that connection was abruptly cut \u2014 a TCP reset \u2014 before the page could load. It points to a network or transport problem somewhere between your device and the server, rather than a missing page.\"}},\n    {\"@type\":\"Question\",\"name\":\"How do I fix ERR_CONNECTION_RESET quickly?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Start with the fast wins: reload the page, restart your router, clear your browser cache and cookies, and try the site in Incognito or another browser. 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