All data must be there as you left it before. Now you can check if all passwords, markers and other data are now present. Step 4: When the next screen appears, uncheck Restore the default configuration and delete the antique accessories for optimal performance option.Ĭlick Reinstall To complete the reinstallation exercise. If you want to download the full setup, see our Firefox installation guide No Connection. Step 3: Download a fresh copy of Firefox from Mozilla website. As mentioned above, uninstalling Firefox will not delete the Firefox profile folder which contains crucial data like passwords, markers and history.
Step 2: The right mouse button In Mozilla Firefox and then click uninstall option.įollow the onscreen instructions to remove Firefox from your PC. Step 1: In the search field of the start menu, type Appwiz.cpl and then press the Enter key to open the Programs and Features window.
You can find the profile folder in C: Users Username Appdata Roaming Mozilla Firefox. However, we cannot guarantee the same for later versions!įor safety, we recommend that you make a backup copy of your Firefox profile folder in a safe location and restore the same folder if you find that something is missing after reinstalling Firefox (although this is very unlikely). IMPORTANT: We tried this method with Firefox V59 and it works very well. In short, you are not deleting your Firefox profile data when you uninstall it.Ĭomplete the instructions provided to reinstall Firefox in Windows 10 and earlier without losing data. When Firefox is reinstalled in the same Windows installation, Firefox starts using the profile folder data. The fact is that the Firefox uninstaller does not delete the Firefox profile folder data (which includes important data such as password, history, marker and cookies) and must manually delete the profile folder if you want to delete this data from your computer.
The uninstaller no longer shows this option but does not delete the profile data. As you probably know, in previous versions of Firefox (V30 or earlier), there would have been the "Delete my personal data and Firefox customizations" option when uninstalling Firefox.
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