Re: Hold up - Microsoft are covered on this one folks!
"The clever sods makes sure you never know when a bloody update will happen, making it FAR harder to do this."
then I connect a network sniffer, watching for "upgrade" net traffic, to something that powers off the box or at least alarms you to go over and pay attention to it...
these things can be defeated. Also may be possible to trigger an update by mucking with the clock