OC Tuner Issue.

[Loyality]

A Bought an Asrock motherboard The Model is:
G31M-S R2.0

I Installed 2.5GHz Intel Dual Core E5200
2 GB Ram Team Elite 667Mhz
9400GT niviada
1TB Seagate
Dvd writer.

And I Have Installed Windows XP, Service Pack 2

I Installed OC Tuner,
So i wanted to see if i can overclock, but When i Hit The Go Button, I get a BSOD (Blue Screen)

Any Help?