Crashing Game?

Hi, i play Fable the lost chapters on my laptop. and now and then it crashes on me.

This happens to me every time i play the game, can anyone help me?
my specs are if u liked to know:

My laptop is an: HP Compaq 6910P

# CPU: Intel Core 2 Duo T7300 2.40GHz
# OS: Microsoft Windows XP SP3
# Hard Drive: 120 GB SATA @ 5400RPM
# Graphics: ATI Mobility Radeon X3200
# RAM: 2.0GB