I have:

Pentium IV 2.4
1 Giga Ram
ATI Radeon 9800 video card
Sound Blaster Creative Labs card
Windows XP

When I am playing Warcraft III, after a while, the computer freezes
with a constant noise. The screen shows the last movement, the only
way to use the computer again is reestarting the system.

When I restart happens the same over and over.

I updated both drivers for video and sound card.

Any help?

Thanks.