Fix slowness, crashing, error messages and other problems
- Fix problems with websites (Facebook, YouTube, webmail etc.)
- Error messages: what they mean and how to fix
- Unblock Firefox from connecting to the Internet
- Procedures to diagnose and fix problems
- Videos, sound, pictures and animations don't work
- Firefox is slow or stops working
- Firefox crashes
- Firefox won't save settings or remember information
- Problems with add-ons, plugins or unwanted software
In English
- Reset Firefox – easily fix most problems
- Uninstall Firefox from your computer
- Reset your Master Password if you've forgotten it
- Stop Firefox from opening multiple tabs when it starts
- Navigation buttons like back, home, bookmarks and reload are missing
- Firefox is stuck in Safe Mode
- Firefox repeatedly opens empty tabs or windows after you click on a link
- Fix printing problems in Firefox
- Problems with email and how to find help