BROWSER caused an invalid page fault in

My dad has always played games on Cyberjuegos.com. For the past couple days, after he logs in, selects the game that he wants to play, and macromedia shockwave loads, he gets the following error message.

Do you know why this could be?


BROWSER caused an invalid page fault in
module <unknown> at 0000:00000003.
Registers:
EAX=06b055ec CS=0167 EIP=00000003 EFLGS=00010282
EBX=00000044 SS=016f ESP=073cf9f0 EBP=00000130
ECX=045e8000 DS=016f ESI=098c9c8c FS=6327
EDX=fffffffd ES=016f EDI=80000001 GS=0000
Bytes at CS:EIP:
00 65 04 70 00 16 00 5a 0a 65 04 70 00 65 04 70
Stack dump:
081dbf8e 098c9c8c 000005be 098c9c8c 06a965b0 00000002 00000000 081de0fc 00000000 00000044 00000002 098c9c8c 073cfa78 073cfab0 06afcc7c 00000001