Showing content from https://support.mozilla.org/en-US/kb/uninstall-firefox-from-your-computer below:
Uninstall Firefox from your computer
Uninstall Firefox from your computer
This article describes how to uninstall the Firefox application for supported operating systems. If you are planning to uninstall and reinstall Firefox to fix problems you may be having, you should first read Troubleshoot and diagnose Firefox problems.
Uninstall Firefox
To uninstall Firefox, follow these steps:
- Close Firefox (if Firefox is open): Click the Firefox menu and select .Click the Firefox menu at the top of the screen and select .Click the Firefox menu and select .
- Open the Applications folder in Finder.
- Drag the Firefox application to the Trash.
Your uninstall of Firefox is finished.
- If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it – see Install Firefox on Linux for details.
- If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory to uninstall Firefox.
Start the Mozilla Firefox uninstall
To begin the process of uninstalling Firefox, follow these steps:
Note:
Instead of uninstalling Firefox, you can try the
Refresh Firefox
option included in the uninstaller. This can fix many issues by restoring default settings and removing add-ons.
Complete the Mozilla Firefox uninstall
To finish uninstalling Firefox, follow these steps:
- Click Next in the Mozilla Firefox Uninstall window. The next window that opens will show the location of the Firefox program that will be uninstalled.
- Click Uninstall.
- Click Finish to complete the uninstallation.
- To remove other files and folders that may not be removed by the uninstallation, you must manually delete the Firefox program folder from the location shown in the Uninstall Mozilla Firefox window (usually C:\Program Files\Mozilla Firefox or C:\Program Files (x86)\Mozilla Firefox).
Remove user data and settings
Uninstalling Firefox does not remove any user data such as bookmarks, history, passwords and cookies (unless you are using snap on Ubuntu). If you also want to remove this information, you should delete the Firefox folder containing your user profile:
- Click the Finder icon in the dock.
- In the menu bar, click the menu, hold down the option or Alt key and select . A window will open containing your Library folder.
- Open the Application Support folder.
- Delete the Firefox folder.
- Ubuntu: Click the menu on the top right of the screen and select . A File Browser window will open.
- Click the menu and select if it isn't already checked.
- Open the folder marked .mozilla.
- Delete the folder marked firefox.
- Click the Windows Start button and select A Run dialog will open.
- Alternatively, you can press + R to open a Run dialog.
- Type in %APPDATA%\Mozilla\ and click OK. A window will open containing the Firefox folder.
- Delete the Firefox folder.
- On the Start screen, click the Desktop tile. The Desktop view will open.
- On the Desktop, hover in the lower right-hand corner to access the Charms.
- Select the charm. The Search sidebar will open.
- Type %APPDATA%\Mozilla\ in the search field and press Enter. A window will open containing the Firefox folder.
- Delete the Firefox folder.
- Click the Start button or press the key.
- Type %APPDATA%\Mozilla\ in the search field and press Enter. A window will open containing the Firefox folder.
- Delete the Firefox folder.
Alternatively, you can press
+
R
to open a
Run
dialog, type in
%APPDATA%\Mozilla\
and press
Enter
to open the
Mozilla
folder, then delete the
Firefox
folder.
Based on information from Uninstalling Firefox (mozillaZine KB)
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