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no matter what I do, I cannot update from 3.?.? to 8.?.? I've tried everything suggested but it will NOT update now I cannot open many new websites

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Cannot update Firefox from 3.6.3 to 8.0 I've tried repeatedly to do this but it will not load up. Now I cannot open new websites.

Cannot update Firefox from 3.6.3 to 8.0 I've tried repeatedly to do this but it will not load up. Now I cannot open new websites.

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What happens when you download and run the installer? (http://www.mozilla.org/en-US/firefox/new/)

Are you really running 3.6.3? You should update to 3.6.24 ASAP - http://www.mozilla.org/en-US/firefox/all-older.html

Your user agent string may just be set incorrectly. See below


  • Type about:config in the URL bar and hit Enter
  • If you see the warning, you can confirm that you want to access that page.
  • Filter = general.useragent.
  • Right-click the preferences that are bold, one line at a time, and select Reset.
  • Then restart Firefox