Did you upgrade from Win2K or did you do a clean Install of WinXP?
Try downloading Motherboard Monitor. It's free and will give you temp
and voltage readings. Your 3.3, 5 and 12v rails
should not dip below 5% of their values.
http://www.pcworld.com/downloads/fil...id,7309,00.asp

"Klaeq" <Klaeq@discussions.microsoft.com> wrote in message
news:2D8C9484-5692-4733-9AD0-C72D4B90FFDC@microsoft.com...
>I just installed win XP pro this past weekend, and I am already wanting to
>go
> back to 2000. For some reason, winxp will just lock up every 20-30 minutes
> when i am running a full screen app. The mouse still moves, but won't
> register any clicks. Also, Ctrl+alt+del doesn't seem to do anything. I
> have
> to manually power down the system. I have already updated all my drivers,
> checked my hardware connections, and cleaned out the system. I dont think
> that it is an overheating problem like everyone else. I clean the computer
> out once a month. While using win2000, I never had this problem. I am
> afraid
> to run my rendering processes for fear of losing everything. If anyone
> could
> provide some help I would greatly appreciate it.
>