If you are one of the fortunate people who is still using FireFox 5, or possibly still using FireFox 3.6.x – ignore the repeated requests to upgrade to FireFox 6! Stay put. FireFox 5 was a perfectly stable platform. FireFox 6 hangs nearly as often as FireFox 4, and there are incompatibility problems with several of my favorite plugins. I save install executables and I’m seriously considering uninstalling 6 and reinstalling 5.
OK, they seem to have fixed the problem with the .01 and .02 upgrades. I’m still annoyed with them.