Windows XP Pro Wont Boot Up

[Green Beret]

i made this new computer the other day, i installed windows XP pro and its been working fine for about 3 hours i went to install a game and it came up with a error msg saying "windows has been shut down to pervent damage to your computer if this is the first time uve seen this msg restart" bah bah bah can anyone help me

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AMD Athlon 64 3200+ Venice 90nm
Asus A8V-E SE VIA K8T890 (Socket 939) PCI-Express Motherboard
G.Skill 1GB DDR ZX PC3200 (2x512MB) CAS2 Dual Channel Kit
Sapphire X1600 Pro 512MB DDR2 AVIVO TV-Out/DVI (PCI-Express)
Maxtor DiamondMax Plus 10 NCQ 80GB 6V080E0 SATA-II 8MB Cache
Hiper HPU-4K580-MK Type R 580W Modular ATX2.2 PSU

[teachmech]

Could it be a heat issuse? Check you cpu temps when at 100% for some time. Reseat you hsf, clean off TIM reaply then reseat.

[Green Beret]

Could it be a heat issuse? Check you cpu temps when at 100% for some time. Reseat you hsf, clean off TIM reaply then reseat.

Ive checked temps on cpu its running at 45deg - 50deg on load

[teachmech]

This seems quite high for a venice most seem to run around 30 C to max 40 C underload.