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I tried to upgrade and now can't open it because it may be damaged or incomplete

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  • 29 have this problem
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  • Last reply by cor-el

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I followed a prompt to upgrade and now when I try to open with Firefox I get the following message. You cannot open Firefox because it may be damaged or incomplete. My old Firefox remembers userID's and passwords that I need. How can I retrieve this information?

I followed a prompt to upgrade and now when I try to open with Firefox I get the following message. You cannot open Firefox because it may be damaged or incomplete. My old Firefox remembers userID's and passwords that I need. How can I retrieve this information?

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