Firefox is acting up big time again today. Even though I close the windows I've been using, clear the history, and even gone as far as to clear the cache, apps, defragment, shut down my pc - I still end up with everything freezing because Firefox WON'T CLOSE. And since for some reason I can't upload an image of my task manager, after I closed EVERYTHING Firefox was running two sessions, taking up nearly 67% of CPU. 67 PERCENT. This is an ongoing problem with Firefox - years and years from wha...