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Loss of/unable to access, bookmarks/passwords since upgrate to 94.0.1. version of Firefox

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I just upgraded to Firefox 94.0.1. and have lost all my bookmarks and passwords. I have tried to import backups but Firefox is "Unable to process the backup file". This means that I have, for now, lost access to all 1555 bookmarks I have which is as you can imagine extreamly frustrating and anoying. Is it possible to roll back to an earlier version which may work or to produce a fix for this version?

I just upgraded to Firefox 94.0.1. and have lost all my bookmarks and passwords. I have tried to import backups but Firefox is "Unable to process the backup file". This means that I have, for now, lost access to all 1555 bookmarks I have which is as you can imagine extreamly frustrating and anoying. Is it possible to roll back to an earlier version which may work or to produce a fix for this version?

Réiteach roghnaithe

It looks that your places.sqlite database is corrupted.

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

This could be a problem with the places.sqlite and favicons.sqlite files in the Firefox profile folder.

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

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

If "Verify Integrity" cannot repair places.sqlite, rename/remove all places.sqlite and favicons.sqlite files in the Firefox profile folder with Firefox closed. Firefox will rebuild places.sqlite and restore the bookmarks from the most 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
  • you lose the history when a new places.sqlite is created

You may have to restore an older bookmarks backup in the bookmarkbackups folder via the Bookmarks Manager (Library).

See also:

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

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Réiteach Roghnaithe

It looks that your places.sqlite database is corrupted.

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

This could be a problem with the places.sqlite and favicons.sqlite files in the Firefox profile folder.

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

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

If "Verify Integrity" cannot repair places.sqlite, rename/remove all places.sqlite and favicons.sqlite files in the Firefox profile folder with Firefox closed. Firefox will rebuild places.sqlite and restore the bookmarks from the most 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
  • you lose the history when a new places.sqlite is created

You may have to restore an older bookmarks backup in the bookmarkbackups folder via the Bookmarks Manager (Library).

See also:

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

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I have fixed the problem. I was going to uninstall Firefox then reinstall but I was given the option to refresh which I did. This has solved the problem. Thank you for your help.