Blue Screen While Playing

Hi I just built a new computer and I am getting blue screen while playing Guild wars. To begin with at random intervals I get error - Guild wars has detected problem in video and when i click Ok --- blue Screen.

Page fault in non paged area
stop : 0x00000050
nv4_disp.dll

My Comp:
AMD 64 3000+
1 GB Dual Channel Kingston ram
BFGTECH 6600 GT 128 MB Overclocked PCI-E -- the overclocking was done by BFG before i bought it

I am using 77.72 drivers and i think it might be a problem with that. I gave it into the computer shop and he said there is nothing wrong with RAM or Video Card when he was doing 3D testing, so i think its the drivers.

Thanks

This is a common problem, I and some other users of this forum get this problem, there's nothing much to really do to solve it except wait for ArenaNet to put out a fix in an update.
For more information, check the Restart Problems (Exclusive to GW) thread a little further down in this forum.

um sorry I jus tread the first thread at the top lol and it says to downgrade down to 71.89..I will do that and see what will happen