This step should not be needed unless the Firefox uninstall from the Windows Control Panel failed. If necessary, remove the "Mozilla Firefox" shortcuts in the Windows Start -> Programs menu by right-clicking and deleting the entries.Delete the Firefox Installation directory located here, by default: C:\Program files\ Mozilla Firefox or, on 64-bit Windows, C:\Program Files (x86)\ Mozilla Firefox (Optionally make a backup copy of the "plugins" or "browser/plugins" subfolder first, since it may contain the Windows Media Player Firefox plugin and/or other plugin files, so that you can restore it later if you plan on reinstalling Firefox.).Įven if the uninstall fails, as it may in some cases, continue on with the rest of the uninstall instructions. This option has been removed in Firefox 31 so, if you wish to remove your Firefox user profile data, you will need to do it manually ( see below for instructions). DO NOT select this option if you want to keep your Firefox profile data and settings. This removes your Firefox user profile data (bookmarks, passwords, cookies, extensions, preferences, etc.).
Note: In Firefox 30.0 and below, the uninstaller includes the option, "Remove my Firefox personal data and customizations". On Windows XP (or below), double-click "Add or Remove Programs" Select "Mozilla Firefox " in the list of installed programs and click "Remove" to run the uninstaller.On Windows Vista and above, go to "Programs -> Programs and Features", select Mozilla Firefox and click click Uninstall.Exit Firefox completely, open the Windows Control Panel and then,