Upgrades to 8 and restarted Firefox but when you try to start the message get FF this restart is required to complete installation; same message if I try to re - install or uninstall and seq. wrote this using Google Chrome.

Upgrade to 8 FF (of 3.6) seem to go smoothly, as did restart on Acer desktop running Windows 7 Home Premium. But I get "reboot needed to complete the installation of FF" whenever I try to start and seq. tried uninstalling FF using the uninstall from the control panel and uninstall in my Mozilla folder - get the same message "Restart required". Tried to reinstall FF - same message. In short, totally unusable FF - and I'm starting to like Google Chrome.

Please see:

  http://kb.mozillazine.org/Software_Update (Software Update not working properly)

Delete the files:

C:\Users\ < user > \AppData\Local\Mozilla\Firefox\Mozilla Firefox\updates (Firefox %LOCALAPPDATA%\Mozilla\Firefox\Mozilla)

(Above is a windows installation - an installation Mac stores its files in /Applications/Firefox.app)

To open one of these folders in OS x, Ctrl-click and select to display the contents of the package. )

Download a new copy of Firefox for the installation.

Uninstall your current version of Firefox before installing, but do not remove your profile data when you uninstall Firefox (do not select delete data of a personal nature) or you will lose your bookmarks and other data in the profile folder. Remove the Firefox program folder as well.

Do a clean reinstall as an administrator. See:

http://KB.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall

For more information on your profile folder, see profile management and:

  http://kb.mozillazine.org/Profile_folder_-_Firefox
  http://kb.mozillazine.org/Profile_backup

Please let us know how you fare.

revised to indicate the difference in path on Windows

Tags: Firefox

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