(When I launch Firefox 4.0.1 I get an error message that says "We noticed your may have signed inor signed out in another window. Click Ok to reload your page." Richard)

<blockquote>Locking duplicate thread.<br>
Please continue here: [/questions/830592]</blockquote><br>
(When I launch Firefox 4.0.1 I get an error message that says "We noticed your may have signed inor signed out in another window. Click Ok to reload your page." I deleted Firefox and reloaded it - did not solve the problem. This started occurring after I downloaded Windows Service Pack 2. I have Vista 7 OS. So every time I close and relaunch Firefox, I have to sign in with my username and password. Very very, annoying. If I can't get this corrected, I have to start using another Browser. Thanks for your help. Richard)

It is possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
Delete the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder.
* Help > Troubleshooting Information > Profile Directory: Open Containing Folder
* http://kb.mozillazine.org/Profile_folder_-_Firefox
* http://kb.mozillazine.org/sessionstore.js
If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.<br />
Deleting sessionstore.js will cause App Tabs and Tab Groups to get lost, so you will have to create them again (make a note).
See:
* http://kb.mozillazine.org/Session_Restore

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