I receive the same message when trying to update to the lastest verson Firefox to my Apple eMac running Snow Leopard. Help!!!

restart your windows if u'r using OS from microsoft

@colin

Run the Firefox program once as Administrator (right-click: Run as Administrator).

If that doesn't help then do a clean reinstall.

• Download a fresh Firefox copy and save the file to the desktop.
• http://www.mozilla.com/firefox/all.html
• Uninstall your current Firefox version and remove the Firefox program folder before installing that copy of the Firefox installer.
• Don't remove personal data if you uninstall the current version.
• 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.

@cysomers1

I receive the same message when trying to update to the lastest verson Firefox to my Apple eMac running Snow Leopard. Help!!!

• Download a new copy of the Firefox program: http://www.mozilla.com/firefox/all.html
• Trash the current Firefox application to do a clean (re)install.
• Install the new version that you have downloaded.

Your profile data is stored elsewhere in the Firefox Profile Folder, so you won't lose your bookmarks and other personal data.

Thanks so much - opening it to 'run as administrator' solved the problem.

When I try to run it as the Administrator, it tells me, "Login failure: User account restriction. Possible reasons are blank passwords are not allowed, login hour restrictions, or a policy restriction has been enforced." I do not have a passord in place. I actually go to make a password and tried it again, and it still gave me the same error message! Please help!

I have the same problem as the setup program cannot setup. The exe file seemed having compatibility problem.

My solution was to click "help" and used the firefox to update itself. FF4 was then installed fluently without problem.