Illegal Operation

Can anyone decipher these messages? They happen randomly when playing IL2-Sturmovik, shutting it down. Usually happens online, but it has happened offline as well.

I’m using Win 98, Asus A7V333 with 512MB PC2100, XP2000, GF3Ti200 (40.72 dets) Audigy Player, ADSL.

IL2 caused an invalid page fault in
module OPENGL32.DLL at 0187:7abf172c.
Registers:
EAX=81d89388 CS=0187 EIP=7abf172c EFLGS=00010282
EBX=00000000 SS=018f ESP=0063fc14 EBP=0063fc20
ECX=000000aa DS=018f ESI=0a28117c FS=5a1f
EDX=00000000 ES=018f EDI=00000000 GS=0000
Bytes at CS:EIP:
ff a2 1c 05 00 00 8b c0 64 a1 18 00 00 00 8b d0
Stack dump:
09fc5660 00000001 0063fc28 0063fc48 0a03773c 000000aa 00000001 11439f10 09fc0000 0a28117c 0063fe28 0a0778b3 00000001 0063fc70 0a0758ad 00000000

IL2 caused an invalid page fault in
module OPENGL32.DLL at 0187:7abf172c.
Registers:
EAX=81d8387c CS=0187 EIP=7abf172c EFLGS=00010286
EBX=00000000 SS=018f ESP=0063fc14 EBP=0063fc20
ECX=000000aa DS=018f ESI=0a28117c FS=58bf
EDX=00000000 ES=018f EDI=00000000 GS=0000
Bytes at CS:EIP:
ff a2 1c 05 00 00 8b c0 64 a1 18 00 00 00 8b d0
Stack dump:
09fc5660 00000001 0063fc28 0063fc48 0a03773c 000000aa 00000001 11fb47e0 09fc0000 0a28117c 0063fe28 0a0778b3 00000001 0063fc70 0a0758ad 00000000

TIA

this is the error I am getting with FB…

IL2FB caused an invalid page fault in
module OPENGL32.DLL at 018f:78aa0304.
Registers:
EAX=819ac3e8 CS=018f EIP=78aa0304 EFLGS=00010296
EBX=0ac30000 SS=0197 ESP=09d0fc44 EBP=09d0fc70
ECX=0ac527f0 DS=0197 ESI=00980850 FS=3acf
EDX=00000000 ES=0197 EDI=00000001 GS=18ce
Bytes at CS:EIP:
ff a2 58 03 00 00 8b c0 64 a1 18 00 00 00 8b d0
Stack dump:
0ac52804 00008920 0ad0df83 00000000 0ad0e018 0ac30000 00000000 00000001 00000000 0ac30000 819ac424 09d0fe38 bff7ddd6 0ac30000 00000001 00000001