In the game american mcgee's alice, every 3-5 minutes it crashes with this error...

ALICE caused an invalid page fault in
module <unknown> at 0000:b60441b4.
Registers:
EAX=bffc9490 CS=0187 EIP=b60441b4 EFLGS=00010202
EBX=bff7c8bd SS=018f ESP=0838ff2c EBP=0838ff38
ECX=c17fede0 DS=018f ESI=ffffffff FS=4aaf
EDX=bffc9490 ES=018f EDI=bff92c37 GS=0000
Bytes at CS:EIP:

Stack dump:
bff7b76a bffc9490 ffffffff 0838ff50 bff7b828 8196be70 000000d8 800003f7 00000000 0838ffcc bff92ccb 000000d8 800003f7 00000000 bff92c37 bff7c7ac

It didn't always happen....how to fix?

Try scanning your pc with latest antivirus definitions.