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Hello This is creasy allways when aj ster new the Firefox he don`t wont to recover all Tabs. everithing is done allways.

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  • Last reply by cor-el

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This is really not funny. Always when im close the firefox and i will open it my two windows with all Tabs are bone. From the last 10 times it hat be only one time recovered. Im delete almost every day the History of the day but this was not a Problem months a go

but since some months this happens and i gonna be crazy. This is the last chance for the Firefox

thank you

best regards

This is really not funny. Always when im close the firefox and i will open it my two windows with all Tabs are bone. From the last 10 times it hat be only one time recovered. Im delete almost every day the History of the day but this was not a Problem months a go but since some months this happens and i gonna be crazy. This is the last chance for the Firefox thank you best regards

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You may have corrupt sessionstore [v56] sessionstore.jsonlz4 file(s). Delete all sessionstore* files and the sessionstore-backups folder.

Type about:support<enter> in the address bar.

Under the page logo on the left side, you will see Application Basics. Under this find Profile Folder. To its right press the button Show Folder. This will open your file browser to the current Firefox profile. Now Close Firefox.

Windows: Show Folder; Linux: Open Directory; Mac: Show in Finder

Linux: Under the page logo on the left side, you will see Application Basics. Under this find Profile Directory. To its right press the button Open Directory.

Locate the above file. Then rename or delete it. Restart Firefox.


Don't delete the files if you need to rescue any data from them, just move them out of the profile folder to some location where Firefox doesn't look for them. You can try to read out their contents using this tool: https://www.jeffersonscher.com/res/scrounger.html

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Use one of these to close Firefox if you are currently doing that by clicking the close X on the Firefox title bar.

  • "3-bar" menu button -> Exit (Power button)
  • Windows: File -> Exit
  • Mac: Firefox -> Quit Firefox
  • Linux: File -> Quit