My laptop toshiba sattelite got hang when i play sims 2

[shacalilung]

i have laptop toshiba sattelite
intel (R) CORE (TM)2 CPU
T5600@ 1.83GHz
1.83GHz 1.00GB of RAM
DirectX 9.0

DISPLAY
GEFORCE GO 7600
Video BIOS Version- 5.73.22.15.34
IRQ-.16
BUS-PCI Expressx16
Memory-256mb
Force Ware-84.68
Tv encoder type NViDIA Intergrated

i just install my sims 2 family fun stuff with expansion night life, university,and bussiness when i play it suddenly got hang what should i do ? pls help