If your Mozilla Firefox browser is having problems and you can’t figure out what the cause is, the best way to fix this is to restore Firefox to factory settings. When you do this all the graphical changes you have made will be reset to factory defaults and all plugins will be deleted. Bookmarks and search history will be saved.
- How to Restore Mozilla Firefox to Factory Defaults
- Click on the three horizontal bars in the upper right corner of the screen
- Click on Help
- Click on More troubleshooting information
- Click on Refresh Firefox…
- Click on Refresh Firefox
- Click on Finish