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I cannot upgrade from 3.0 to 3.6 because when I drag new icon to Applications folder I get message saying I don't have sufficient priveldges on MacBook Pro OS 10.5.8

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  • 1 has this problem
  • Last reply by cor-el

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Got a message today in Firefox that my "certificate is invalid because it is use by another computer"

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Download a new copy of the Firefox program: http://www.mozilla.com/firefox/all.html

Trash the current Firefox application to do a clean reinstall.

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.