WMP Crashed Vista Premium.. System reboot.

I have Vista Premium installed on a DuoCore2, 1.8 Ghz with 1GB RAM. The
problem happens on Windows Media Player. Once I use the Windows Media Player
to play MPG or Wave file, for just few seconds, the windows crash and system
reboot. A blue screen appears showing so error but it was too fast for me to
read the error.

The system has NO problem in playing games titles with sound effect. The
iTune also works fine on the system.

I have tried to install the latest software driver from Realtek but it still
the same.

anyone can give some advise???
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classical