It looks like this thread is dead now, but I wanted to follow-up to say that my BSODs went away completely when I uninstalled Avast! and started using a different anti-virus. It’s been six weeks now since I’ve switched and the BSODs are gone. I realize some problems are difficult to solve, and I hold no grudge against Avast! I believe it to be a fine product, and this isn’t a problem that everyone has. But if you are reading this and you do have this problem, you might consider switching anti-virus programs to see if it goes away. Maybe a fix will come in the future.