Download Firefox Àwọn ìlànà ètò àti àwọn Èdè Kíni Titun Àdáni Performance and connectivity Deal with error messages, crashing applications, connectivity issues, and slow performance. Gbogbo All articles and threads Crashing and slow performance Site breakages Connectivity Error codes Ní Gẹ̀ẹ́sì Secure connection and security warning error pages in Firefox Troubleshoot time-related errors on secure websites Fix error “Website will not allow Firefox to display the page.” Fix "The bookmarks and history system will not be functional" error message Connection settings in Firefox Troubleshoot security error codes on secure websites Resist Fingerprinting Unload inactive tabs to save system memory in Firefox Use Troubleshoot Mode in Firefox Firefox can't load websites but other browsers can Firefox DNS over HTTPS Captive portal detection Task Manager - see whether tabs or extensions are slowing down Firefox How do I report a broken site in Firefox desktop? What do the security warning codes mean? Where to go for developer support Firefox uses too much memory or CPU resources - How to fix Certificate contains the same serial number as another certificate Disable Firefox Sync DNS over HTTPS (DoH) FAQs Warning Unresponsive script - What it means and how to fix it Quick fixes if your Firefox slows down Firefox hangs or is not responding - How to fix Use the Troubleshooting Information page to help fix Firefox issues Websites look wrong or appear differently than they should HTTPS-First upgrades to secure connections How to fix the Update Failed error message when updating Firefox How to let Firefox use the internet on your Windows computer "Firefox is already running but is not responding" error - How to fix How to reset the default user agent on Firefox Server Not Found - Troubleshoot connection problems 64-bit Firefox crashes with Citrix's XenApp VM Drag and Drop errors with Firefox Launcher Process enabled and Windows UAC disabled - How to Fix Identify problems caused by third-party modules in Firefox for Windows Firefox takes a long time to start up Troubleshoot and diagnose Firefox problems Firefox uses too many CPU resources - How to fix Websites say that Firefox is outdated or incompatible even though it's the latest version Firefox says it's just updated every time it starts - how to fix Firefox does not work - Common fixes to get you back up and running Memory constraints, Firefox performance and Firewalls Rate your Firefox experience, surveys and out of date messages (Heartbeat) How to resolve weak crypto error messages on Firefox How to fix an error when trying to open Telegram or Slack on Firefox Solutions for "Can not create temp folder archive" error when installing Firefox (Windows 10) Difficulties opening or using a website in Firefox 100 Firefox hangs when copying with Suggested Actions enabled on Windows 11 - What to do X-Mouse Button Control in Firefox 110 Firefox blocked by macOS 15 Sequoia firewall - What you need to know Address screen sharing issues with Firefox on macOS 15 Sequoia Troubleshoot Firefox crashes (closing or quitting unexpectedly) Firefox is stuck in Troubleshoot Mode Firefox repeatedly opens empty tabs or windows after you click on a link Avoid crashes - Tips and tricks Problems with email and how to find help Firefox keeps crashing at startup Fix video and audio problems on Firefox for Windows N editions Home page with pipe character opens extra tabs when Firefox starts How to run Firefox when your profile is missing or inaccessible