If you're having problems with Firefox, refreshing may help by restoring the browser to its default state while saving your essential information, like bookmarks and passwords.
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- Click this Refresh Firefox link directly, if you are viewing this page in Firefox. This link won't work if you are using a different browser or a mobile device, and it may not work in some Firefox profiles.
- If the above link doesn't work in Firefox, there's a Refresh Firefox button at the top of the Troubleshooting Information (about:support) page, which you can use instead.
- To continue, click in the confirmation window that opens.
- Firefox will close to refresh itself. When finished, a window will list your imported information.
- Click the Select whether you want Firefox to restore all or some windows and tabs and click the button. button. Firefox will open.
What does the refresh feature do?
Firefox stores all your settings and personal information in a profile folder. The refresh feature creates a new profile folder and saves your important data.
The refresh feature removes add-ons normally stored inside the Firefox profile folder (such as extensions and themes). Add-ons stored in other locations are not removed (although any modified preferences are reset).
Firefox will save these items:
- Browsing and download history
- Web form auto-fill information
- Personal dictionary
These items and settings will be removed:
- Extensions and themes
- Website permissions
- Modified preferences
- Added search engines
- DOM storage
- Security certificate and device settings
- Download actions
- Toolbar customizations
- User styles (chrome subfolder containing userChrome and/or userContent CSS files, if previously created.)