I close Fire Fox 7.xxx and attempt to open FF again I get this error . FF is already running but not responding.To open new window you must close existing FF process or restart your syste. To get FF up and running again I have to log off system
[IMG]http://i51.tinypic.com/29ehobq.jpg[/IMG]
Opaite Mbohovái (1)
https://support.mozilla.com/en-US/kb/Firefox%20hangs
See hang-at-exit