Microsoft Vista, I've never had an operating system lock up as much as this turd.
Come to think of it, the only good Microsoft systems have been:
dos 6.22
windows 3.11
windows XP service pack 3
and
Vista, Me, 98, 95 = all dogs.
I have windows 7 beta version, It seems to be vista done right although I haven't had it too long.
If you've got Vista you can get W7 free here as of today apparently... give it a whirl if your keen
