sometimes when I try to open firefox it says another application of firefox is already running and I have to close it first,isn't.
At least once a day I try to open Firefox and it won't let me. It says another application of Firefox is already running and I have to close it first. There is no other applicaion of Firefox running, and I have to reboot the computer.
Wšykne wótegrona (1)
See "Hang at exit":
See "Firefox hangs when you quit it":