User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20051111 Firefox/1.5 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20051111 Firefox/1.5 Make firefox get unhealthy big by browsing the internet, and perhaps using some evil plugins. Close all windows. Mozilla keeps on running. Try to run again and it says: firefox is already running. Reproducible: Didn't try Steps to Reproduce: Make firefox get unhealthy big by browsing the internet, and perhaps using some evil plugins. Close all windows. Mozilla keeps on running. Try to run again and it says: firefox is already running. Actual Results: firefox is already running message Expected Results: Start the browser, else the user will just press the blue E. So I suggest something like: no windows open then kill firefox, or something like that?!

*** This bug has been marked as a duplicate of 286355 ***