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Keep getting this message"Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." , but cannot view Firefox open window or close it. Have to always reboot system.

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  • 136 have this problem
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  • Last reply by TonyE

cdoran9
cdoran9
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Keep getting this message "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." However, cannot view open window or close Firefox. Have to always reboot system to access the internet.

Keep getting this message "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." However, cannot view open window or close Firefox. Have to always reboot system to access the internet.

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TonyE
TonyE
  • Moderator
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For possible causes of this error, and how to troubleshoot it see "Firefox is already running but is not responding" error - How to fix.