Whenever I try to install the upgrade I get this error message: The operation cannot be completed because you do not have sufficient privileges for some of the items.
I have the previous version of Firefox installed but whenever I try to install the downloaded upgrade I get the error message:-
"The operation cannot be completed because you do not have sufficient privileges for some of the items."
When I try to use the update function in the 3.6.11 I get the message that I need administrator privileges.
I have a MacBook Pro and am the only user.
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You can try to repair the permissions for the Firefox application files and folders, but it is easier to do trash the current version and download and install a full copy of the new version.
- 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.