
*(32 bit Windows) "C:\Program Files\Mozilla Firefox\" *Do NOT remove personal data when you uninstall your current Firefox version, because all profile folders will be removed and you will lose all personal data like bookmarks and passwords from profiles of other Firefox versions. Read this answer in context 👍 1 All Replies (2) Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure that "remove personal data" is NOT selected when you uninstall Firefox. It is important to delete the Firefox program folder to remove all the files and make sure that there are no problems with files that were leftover after uninstalling.


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Uninstall your current Firefox version, if possible, to cleanup the Windows registry and settings in security software. Such problems can be caused by security software.īoot the computer in Windows Safe Mode with network support (press F8 on the boot screen) as a test to see if that helps.ĭo a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.ĭownload a fresh Firefox copy and save the file to the desktop.
