Spybot Search & Destroy destroying Tablet PC functionality?
Of course, you're immune if you don't have a Tablet PC, but think of the possibilities had this problem caused bigger problems for more mainstream versions of Windows. I suppose these days there's no real solution that will prevent a buggy update from slipping through for one of the many security based tools we now need to run to keep a Windows installation running in good shape. Heck, Windows Updates are often the worst offenders in terms of introducing problems when they're trying to fix something.
What's a user to do, short of unplugging from the net and never updating?