WIN 98 SE shutdown problem !!!!!!!

[CK]

HI, i still cannot shut down my pc after installing the patches. I have already install both the windows patch. I have install the nvidia detonator 6.31, but the problem still appear.I tried with 6.18, but still the same.

It happens after i play counterstrike.I played sim city and the same thing happens.I shutdown but it hangs at the windows is shutting down.

so what is the problem with it ?
pls help.

my system
ASUS P3V4X BIOS 1005
p3 700
32MB nvidia TNT2 M64 with 6.31 detonator drivers
SB AWE32 sound card with drivers from the windows 98se cd
15GB Quantum HDD