I think you just installed a new version, because a Firefox page popped up, and all the ''other'' pages I have open "stopped" working. Maybe because some extension stopped working? Actually a lot of extensions stopped working. I hope when I push the "share data" button down there it'll send you my extensions list. "Stopped working" means sometimes nothing displays at all; I can't get white-on-black to work; other things I can't remember. This was working a couple of hours ago and suddenly it isn't. So, can you tell me how to back up to a Firefox that works for me? P.S. I got a this-tab-just-crashed message while reading the troubleshooting info window. Luckily restoring the tab remembered what I'd typed.