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My Firefox window used to be about 3/4 of my screen width but after crashung and restarting is now full screen width. How do I get the Firefox window back to 3/4 screen width?

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I don't want my Firefox browser window to be the full screen width. How do I adjust the browser window width? Thank you.

I don't want my Firefox browser window to be the full screen width. How do I adjust the browser window width? Thank you.

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This can be a problem with the file localstore.rdf in the Profile Folder.

Delete localstore.rdf or rename the file to localstore.rdf.sav in the Profile Folder to test if the file is corrupted.

See http://kb.mozillazine.org/Corrupt_localstore.rdf
(caution: do not delete the localstore.rdf file in the Firefox program installation folder)