Each time I try to open FF4, message says FF is already running but is not responding. To open a new window, you must first close the existing FF or restart your system. There is no way to close the existing FF.
Trying to go to a URL from an email, User Account Control pops up and says 'Do you want to allow the following program to make changes to this computer?(FF4) Yes answer prompts the above message.
Trying to go to a URL from an email, User Account Control pops up and says 'Do you want to allow the following program to make changes to this computer?(FF4) Yes answer prompts the above message.