Not often I don't think.
It sounds to me like your problem is that your computer isn't really powerful enough to handle everything you are running, which is hardly Microsofts fault.
(
Redsushi! Whoop! Whoop! Yes, that one!,
Wed 19 Nov 2008, 9:42,
archived)
my comps are fine and I have seen far more problems with people
running vista and xp than I have ever had.
(
k3b/-\b Peace man.,
Wed 19 Nov 2008, 9:47,
archived)