Troubleshoot slowness, crashing and error messages.
- Refresh Firefox - reset add-ons and settings
- Add-ons disabled or fail to install on Firefox
- Recover user data missing after Firefox update
- Fix passwords disappearing due to AVG security software
- Running Windows as Administrator with Launcher Process Enabled Causes Drag and Drop Errors - How to Fix
- I can’t play audio on a Remote Desktop Connection
- Can I use my screen reader with the new Firefox?
- File system paths on Linux are always treated as UTF-8
- Videos don't have sound on Citrix
- Facebook Container isn't working
- Playing 4K (Ultra-High Definition) YouTube videos in Firefox
- Certificate contains the same serial number as another certificate
- I can't install Facebook Container on Firefox 57+
- Firefox keeps asking me for master password
- Firefox crashes - Troubleshoot, prevent and get help fixing crashes