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firefox closes browser window after exit but runs in the back ground

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  • 22 have this problem
  • Last reply by jscher2000

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After exiting from the Firefox browser - it closes. Then when I try to start it up again it says that there is an instance already open. I looked in the task manager and Firefox.exe is still running as a process but not as an application. I stop the process in Task Manager and the problem is solved. But this happens quite often suddenly after updating to Firefox 5.

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Hmmm, Firefox is not shutting down completely. Check the "Hang at exit" section of this article for troubleshooting suggestions: