Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 3 (2600.xpsp_sp3_gdr.090206-1234)
Language: English (Regional Setting: English)
System Manufacturer: Dell Inc.
System Model: Dell DV051
BIOS: Phoenix ROM BIOS PLUS Version 1.10 A03
Processor: Intel(R) Pentium(R) 4 CPU 3.20GHz
Memory: 502MB RAM
Page File: 348MB used, 9122MB available
DirectX Version: DirectX 10.0 (4.10.0000.5512)
I know only Deus ex, maybe the other games are to much for the onboard graphics.
Though I don't think that would cause a shutdown.
If you are able, an upgrade to even a low end dedicated video card may help, and a ram upgrade would improve performance as well.