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First I tried to download Firefox 4 and was refused permission. Then I posted to this forum and received a confirmation link by e-mail, but the link failed.

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I downloaded Firefox 4, but when I tried to move it into the Applications folder, I was refused permission. I tried to post this problem to this forum and received a confirmation link by e-mail, but it failed: I got the message "Something is wrong."

I downloaded Firefox 4, but when I tried to move it into the Applications folder, I was refused permission. I tried to post this problem to this forum and received a confirmation link by e-mail, but it failed: I got the message "Something is wrong."

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If you get an error message that you do not have sufficient permissions to update then easiest is to trash the currently installed version to do a clean install of the new version.

Download a new copy of the Firefox program and save the DMG file to the desktop

  • 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.

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Wow! It worked. Thank you so much. Saved me a trip to the Apple store. So glad to have Firefox back.