Firefox 6.0.1 on Windows 7. This only started happening about a week ago. I suppose it isn't technically crashing, and it doesn't show as unresponsive either, but every so often my browser stops working. Basically, it just stops loading anything. I noticed the the core temps of my laptop will suddenly spike into the 60s when it happens, though memory usage does not. Some websites seem to consistently trigger it, but just as often it'll happen for seemingly no reason at all. I don't have the problem with any other browser, and it doesn't go away in safe mode. Re-installing didn't help either.