ASHSIMPL caused an invalid page faul

[MWassef]

OS: Win98SE
avast4 ver.: 4.1.342
VPS ver. : 0401-11

ASHSIMPL caused an invalid page fault in
module <unknown> at 0000:1b10f3dd.
Registers:
EAX=02e7ff88 CS=0167 EIP=1b10f3dd EFLGS=00010246
EBX=02e7ff88 SS=016f ESP=02d80104 EBP=02d80124
ECX=02d801a8 DS=016f ESI=8174218c FS=64a7
EDX=bff76855 ES=016f EDI=02d801d0 GS=0000
Bytes at CS:EIP:

Stack dump:
bff76849 02d801d0 02e7ff88 02d801ec 02d801a8 02d802dc bff76855 02e7ff88 02d801b8 bff87fee 02d801d0 02e7ff88 02d801ec 02d801a8 1b10f3dd 02d80394

and again:

ASHSIMPL caused an invalid page fault in
module <unknown> at 0000:1b10f3dd.
Registers:
EAX=0327ff88 CS=0167 EIP=1b10f3dd EFLGS=00010246
EBX=0327ff88 SS=016f ESP=03180104 EBP=03180124
ECX=031801a8 DS=016f ESI=8175997c FS=50a7
EDX=bff76855 ES=016f EDI=031801d0 GS=0000
Bytes at CS:EIP:

Stack dump:
bff76849 031801d0 0327ff88 031801ec 031801a8 031802dc bff76855 0327ff88 031801b8 bff87fee 031801d0 0327ff88 031801ec 031801a8 1b10f3dd 03180394

what exactly is this?  

[igor]

The crash occurred inside Microsoft Jet Drivers.
You may try to download and install the latest MDAC, if you didn't do it already.

[MWassef]

thanx