When I open Firefox my screen resolution changes and when I fix it on the computer it auto changes back in 10 seconds. I looked at the compatibility and nothing is checked. This started out of nowhere.

I have used FF for about a year on my Dell Inspiron 15 and now every time I open it the resolution changes on me. If I close FF everything goes back to normal resolution. No problems with other browsers just FF. I went into the properties and tried to fix the compatibility but nothing was checked. I checked for any new updates that happened automatically but there haven't been any for days before this started. I have all my Grad school bookmarks on FF and I don't want to uninstall.

This can be a problem with the localstore.rdf file.
*http://kb.mozillazine.org/Corrupt_localstore.rdf
Use Restore or Maximize in the right-click context menu of the Taskbar icon to set focus to the Firefox application if you do not see the Firefox window.<br />
Open the system menu of that Firefox window via Alt+Space and see if you can move and resize that window.
If that works then close Firefox (File > Exit/Quit) to save that setting.
See also:
* http://kb.mozillazine.org/Resizing_oversize_window

Similar Messages

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