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I open firefox and then get multiple blank firefox screens popping up. sometimes as many as 20 blank screens. how do i stop it.

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I open firefox in the morning and often get multiple blank firefox screens that pop open and have to be closed individually.

I open firefox in the morning and often get multiple blank firefox screens that pop open and have to be closed individually.

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

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

Deleting sessionstore.js will cause App Tabs and Tab Groups and open and closed (undo) tabs to get lost, so you will have to create them again (make a note or bookmark them).

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