This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

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

  • 2 replies
  • 1 has this problem
  • 4 views
  • Last reply by cor-el

more options

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?

All Replies (2)

more options

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

more options

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

Modified by cor-el