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Does not open but still is active in system processes (windows xp), even after reinstall.

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During the last program update an error occurred and it stalled at approximately 90%, it did not run after this and after several attempts are at a complete uninstall and reinstall the application does not open however still loads into the system processes on windows xp. also, there seems to be no visualization cashe in my anti-virus software.

During the last program update an error occurred and it stalled at approximately 90%, it did not run after this and after several attempts are at a complete uninstall and reinstall the application does not open however still loads into the system processes on windows xp. also, there seems to be no visualization cashe in my anti-virus software.

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Do a clean (re)install and delete the Firefox program folder (C:\Program Files\Mozilla Firefox\).

Download a fresh Firefox copy and save the file to the desktop.

Uninstall your current Firefox version if possible.

  • Do NOT remove personal data when you uninstall the current version or you lose your bookmarks and other data in the profile folder.

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

  • 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.

Your bookmarks and other profile data are stored elsewhere in the Firefox Profile Folder and won't be affected by a reinstall, but make sure that you do not select to remove personal data if you uninstall Firefox.