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I always get the 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." on terying to run firefox

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  • Last reply by cor-el

MattWhite
MattWhite
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When I try to run Firefox I get the 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."

No copy of firefox is running as far as I can tell. Restart and restoring system to 10 days ago did not help.

Uninstalling and downloading a new copy - but to not avail.

When I try to run Firefox I get the 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." No copy of firefox is running as far as I can tell. Restart and restoring system to 10 days ago did not help. Uninstalling and downloading a new copy - but to not avail.

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cor-el
cor-el
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  • Top 10 Contributor
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See:

Do you still have a default profile?
If not then delete the file profiles.ini to make Firefox create a new default profile.

  • C:\Documents and Settings\<user>\Application Data\Mozilla\Firefox\Profiles\<profile>\