Refresh Firefox - reset add-ons and settings

Revision Information
  • Revision id: 16196
  • Created:
  • Creator: Michael Verdi
  • Comment: simplified and finalized the steps for each version of the proceedure.
  • Reviewed: No
  • Ready for localization: No
Revision Source
Revision Content

Short intro - tell people they'll need to follow these instructions in another browser. Pick one of the following fixes.

Just fix Firefox — I don't care about saving anything

This is the quick and easy fix. This is also the procedure to use if you can't get Firefox to run at all.
The video "Fix Firefox" does not exist.

Note: Use Internet Explorer to view and complete these instructions.Note: Use Safari to view and complete these instructions.Note: Use Google Chrome to view and complete these instructions.
  1. Delete the Mozilla Firefox folder on your hard drive. By default, it's located in: C:\Program files.Delete Firefox from your Applications folder.If you installed Firefox with the distro-based package manager, you should use the same method to uninstall it - see Install Firefox on Linux for details. If you downloaded and installed the binary package, simply remove the folder firefox in your home directory to uninstall it.
  2. Download and install Firefox from mozilla.com. Be sure to uncheck Launch Firefox Now in the last step. See How to download and install Firefox on Windows for details.See How to download and install Firefox on Mac for details.See Install Firefox on Linux for details.
  3. Create a new profile and start Firefox. See Profile Manager - Create, remove, or switch Firefox profiles for details.


Fix Firefox and save my bookmarks

This is the easy fix with the added bonus of saving your bookmarks.
The video "Fix Firefox plus boomkarks" does not exist.

Note: Use Internet Explorer to view these instructions.Note: Use Safari to view these instructions.Note: Use Google Chrome to view these instructions.
  1. Export your Firefox bookmarks. See Export Firefox bookmarks to an HTML file to back up or transfer bookmarks for details.
  2. Download Firefox from mozilla.com but don't install it yet.
  3. Click the menu button New Fx Menu and then click ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu , then click Exit. Click the Firefox menu at the top of the screen, then click Quit Firefox.Click the Firefox menu Fx57Menu , then click Quit.

  4. Delete the Mozilla Firefox folder on your hard drive. By default, it's located in: C:\Program files.Delete Firefox from your Applications folder.If you installed Firefox with the distro-based package manager, you should use the same method to uninstall it - see Install Firefox on Linux for details. If you downloaded and installed the binary package, simply remove the folder firefox in your home directory to uninstall it.
  5. Install Firefox. Be sure to uncheck Launch Firefox Now in the last step. See How to download and install Firefox on Windows for details.See How to download and install Firefox on Mac for details.See Install Firefox on Linux for details.
  6. Create a new profile and start Firefox. See Profile Manager - Create, remove, or switch Firefox profiles for details.
  7. Import your bookmarks. See Import Bookmarks from an HTML file for details.


Fix Firefox and save my bookmarks, history and passwords

This fix is kinda complicated. This is for long-time Firefox users with lots of info stored in Firefox.
The video "Fix Firefox with Sync" does not exist.

Note: Use Internet Explorer to view these instructions.Note: Use Safari to view these instructions.Note: Use Google Chrome to view these instructions.
  1. Set up Firefox Sync. See How do I set up Sync on my computer? for details.
  2. Download Firefox from mozilla.com but don't install it yet.
  3. Click the menu button New Fx Menu and then click ExitQuit Close 29 .

    Click the Firefox menu Fx57Menu , then click Exit. Click the Firefox menu at the top of the screen, then click Quit Firefox.Click the Firefox menu Fx57Menu , then click Quit.

  4. Delete the Mozilla Firefox folder on your hard drive. By default, it's located in: C:\Program files.Delete Firefox from your Applications folder.If you installed Firefox with the distro-based package manager, you should use the same method to uninstall it - see Install Firefox on Linux for details. If you downloaded and installed the binary package, simply remove the folder firefox in your home directory to uninstall it.
  5. Install Firefox. Be sure to uncheck Launch Firefox Now in the last step. See How to download and install Firefox on Windows for details.See How to download and install Firefox on Mac for details.See Install Firefox on Linux for details.
  6. Create a new profile and start Firefox. See Profile Manager - Create, remove, or switch Firefox profiles for details.
  7. Connect your new copy of Firefox to your Sync account. See How to sync Firefox settings between computers for details.