If you are running Mozilla Firefox on Microsoft Windows XP, and follow the good practice of working as much as possible with a limited user account, you probably have been pestered for some time by the incompetence: everytime there is an update for Firefox, which is quite often, the browser attempts to update, even if this is not possible due to limited user rights.
Read the rest of Software Update Failed.
Dear Mr. Bokma: I have had this problem with Firefox for over a year, and happened to come across the solution you provided. Thank you very much for your help! Great job.
Thanks for the posting. Thunderbird works at last
Thanks very much for your post, the instructions worked like a charm. I upgraded Firefox 3.0 -> 3.0.1 and this exact problem occurred (still).
It's difficult trying to live as a Windows user in an admin's world.
Works like a charm. I voted for this bug. I write this one year after you posted this. This bug sucks. Windows suffers from a very bad multi user concept with read/write, user data/account management.
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I just had a failed update of Thunderbird and an error message kept popping up every 10 seconds. So I tried to reload the newest version and got an error that said could not open program files\Mozilla Thunderbird\mozMapi32.dll So I went to that directory and there was a backup mozMapi32.dll file. I renamed it and was able to reload Thunderbird. Hope this helps someone.