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firefox automatically started an upgrade and now I can't restore my old tabs

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I tried to select "restore previous session," but because Firefox automatically started uploading the update, there was no previous session to restore. How do I go back?

I tried to select "restore previous session," but because Firefox automatically started uploading the update, there was no previous session to restore. How do I go back?

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What do you want to restore if there is nothing to restore?

Are there any items in History > Recently Closed Tabs/Windows?

You can try to restore a previous version of the sessionstore.js file.

  • Right-click: Properties > Previous Versions

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