Why Mozilla Firefox opens at a previous session?

Whenever I run Mozilla Firefox, a session for a little over a week ago opens. Usually it opens on my home page. Now, he opens with 8 tabs. They are: My Yahoo, my Gmail mail, 4 other Google sites and a site of Amazon.
How can I put a stop to this?
Thank you to each and every one with a suggestion.

It is possible that there is a problem with the sessionstore.js and sessionstore.bak files in the Firefox profile folder.

Delete the sessionstore.js file [2] and files possible sessionstore-# .js [3] with a number and sessionstore.bak in the Firefox profile folder.

Delete sessionstore.js will cause App Tabs and tab groups and opened and closed the tabs (back) to get lost, so you will need to create them again (take note or bookmarks).

See also:

Tags: Firefox

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