Lost Island Survivors Help

Please help me ith my problem my computer keeps say illegal operation evertime i start up a game I have windows 98 ISLANDS caused an invalid page fault in module ISLANDS.EXE at 0167:00436658. Registers: EAX=00000000 CS=0167 EIP=00436658 EFLGS=00010246 EBX=00000000 SS=016f ESP=006efd98 EBP=006efe38 ECX=00000000 DS=016f ESI=0048a1c8 FS=4ddf EDX=00000000 ES=016f EDI=00618f10 GS=0000 Bytes at CS:EIP: 38 58 04 74 3b 38 9e 30 07 00 00 75 33 8b 48 10 Stack dump: 00000000 00000000 005e0000 000001bc 00000235 00408ebf 0045e250 00400000 00000000 81ac8a32 0000000a 00000000 81ac8878 005e0000 c0000005 81ac8a32

Walk through the steps outlined at this site:
http://www.computerhope.com/issues/ch000222.htm

In the event that the above does not help, consider testing your RAM for Errors.
Download Memtest86 (Memtest86 will run on any machine regardless of Operating System) here:
http://www.memtest86.com/

In the event that neither of the above resolve or give useful clues for solution, consider Running a Full Test over at http://www.pcpitstop.com
You will be asked to create your own Password and Register using a valid email address.
After completing Registration, click on Full Tests again.
You will be asked to accept an ActiveX that will allow the Tests to run on your machine. (it's safe)
After you complete the Test and Receive your Results, - Post your TechExpress Link back here into your Topic Thread as your next reply. We will then have a better look at your machine's current functioning and will be better informed in recommending asssistance.

Page Fault and Memory Errors can be caused by Heat.
How long has it been since you opened your case to blow out the dust bunnies?

Keep us posted on your progress.

Best Regards