Upgraded to Firefox 8 and rebooted but when trying to start FF get message that reboot is require to complete installation; same message if I try to re-install or uninstall FF. Writing this using Google Chrome.

Upgrade to FF 8 (from 3.6) appeared to go smoothly, as did reboot, on Acer desktop running Windows 7 Home Premium. But I get "reboot required to complete FF installation" every time I try to start FF. Tried to uninstall FF using Control Panel uninstall and also using the uninstall in my Mozilla folder--get same "reboot required" message. Tried to reinstall FF--same message. In short, FF totally inoperable--and I'm starting to like Google Chrome.

Please see:
http://kb.mozillazine.org/Software_Update (Software Update not working properly)
Delete the files in:
C:\Users\<user>\AppData\Local\Mozilla\Firefox\Mozilla Firefox\updates (%LOCALAPPDATA%\Mozilla\Firefox\Mozilla Firefox)
(The above is for a windows installation - a Mac installation stores its files in /Applications/Firefox.app <br />
To open one of these folders in OSX, Ctrl-click it and select Show Package Contents. )
Download a fresh copy of Firefox for installation.
Uninstall your current Firefox version before installing but don't remove your profile data when you uninstall Firefox (do not select to remove personal data) or you will lose your bookmarks and other data in the profile folder. Remove the program folder for Firefox as well.
Do a clean reinstall as an administrator. See:
http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Clean_reinstall
For information on your profile folder, see Managing profiles and:
http://kb.mozillazine.org/Profile_folder_-_Firefox
http://kb.mozillazine.org/Profile_backup
Please let us know how you fare.
edited to specify path difference on Windows

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