Firefox is not working correctly in windows 8.1 computers. It does not shut down completely and then does not open with this error message. Attaching.... David@XXXxxxx.com... The window displays 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. This is very annoying it happens all the time.
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Run cmd.exe as an administrator Type "netsh winsock reset", and then press enter Restart PC
This seems to have taken care of it for good.....
The first solution seems to have taken care of it for good....