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I have tried everything that was suggested in the fourms and even did a system restore. My firefox browser has lost everything.

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

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Went to use my browser today and it was like the first day I downloaded FireFox. All my setting and bookmarks are gone. I tried everything and it keeps getting worse. Please help!

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Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac Options)
key, and then starting Firefox. Is the problem still there?


Look on your desktop. Do you see a folder called; Old Firefox?

https://support.mozilla.org/en-US/kb/recovering-important-data-from-an-old-profile

https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles

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Using System Restore can cause your Firefox installation to get corrupted because only white-listed files are restored, so always be cautious with using System Restore.

  • You may lose data in the Firefox profile folder like .js and .ini files
  • You may need to reinstall affected software

Firefox may have switched profiles or created a new default profile because of the System Restore.