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all bookmarks and settings are gone

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  • Last reply by cor-el

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This afternoon I came in and my computer was off unexpectedly. After restarting, firefox looked odd and I noticed all my settings and bookmarks have all disappeared. I tried "restoring" them, but it says "unable to process backup file" and nothing changes. It doesn't matter what day i select, it will not restore. Something just isn't right with it. Seems its a new firefox sync thing that wasn't there before. Thanks

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It sounds like maybe Firefox made a new blank profile for you at some point, which would explain why the settings are reset to the default and your bookmarks are gone. Fortunately, if this is the issue, it's usually very easy to recover from.

The Recover user data missing after Firefox update documentation has the steps to fix the issue.

Hope this helps.

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If you use Sync then best is to disconnect Sync temporarily during troubleshooting.

The issues you describe can be caused by a problem with the places.sqlite and favicons.sqlite databases in the Firefox profile folder.

  • use "Verify Integrity" button on the "Help -> Troubleshooting Information" (about:support) page

If errors are reported with "Verify Integrity", close and restart Firefox and retry.

If "Verify Integrity" cannot repair places.sqlite, rename/remove all places.sqlite and favicons.sqlite files in the Firefox profile folder. Firefox will rebuild places.sqlite and restore the bookmarks from a recent JSON backup in the bookmarkbackups folder.

  • keep a backup copy of places.sqlite in case a new places.sqlite database has to be created

See also:

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

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