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on startup, have to reinstall Firefox, instead of going to start page

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

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after clicking on Firefox icon, installation of Firefox proceeds, have to reinstall each time browser is opened.

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You should reset all the prefs via the Save mode start window or create a new profile if your current profile is from using Firefox 1.5 that your user agent shows to remove all remnants.

You have a corrupted user agent that identifies you as

  • Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv: Gecko/20070312 Firefox/


In Firefox 4 you can use one of these to start in Diagnose Firefox issues using Troubleshoot Mode:

See also:

You can transfer some files from the old profile to that new profile (be careful not to copy corrupted files)