Blue Screens and reboots!

[Guest]

Hello all,
I am hoping someone here might be able to help me out. I have a t-bird 1.4, asus a7a266, 128 mb samsung, SB audigy gamer, ati radeon VE. I recently had a problem where my computer would just shut off then beep at me, thought it was ram, replaced ram and worked ok for a couple days. Now I am gettin reboots for no reason, and blue screens saying .VXD is causing an error. But it reboots atleast 2-3 times a day and freezes, and i get the .VXD error about the same amount of times. What i have done so far is like i said replaced the ram and downloaded new video drivers. Can anyone maybe point me in the right direction?
Thank you in advance

 

[Zlash]

What VXD? that is a virtual device driver.

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[Guest]

Im not sure but i am gettin a gpf in a file that ends in .vxd, also gettin the reboot of the system for no apparent reason. What does Virtual device driver mean?