At the start of Firefox I find many other versions running under

Firefox starts with all my saved tabs but then I find that there are several versions run the old slot (I mean very old) versions of connections to other pages to start running that can not connect). Seriously, this slows down my computer.
How to get rid of the duplication?

Are sites that open in other tabs or windows?

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).

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Tags: Firefox

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