My video keeps flashing to black screen and then comes back immediately, so I did what Nvidia suggested, installed an earlier driver. I get the blue screen of death every once in a while or just a plain restart for no reason. I have tried two or three different drivers but still same issue. the problem report below shows "nvoglv32.dll" being the fault but I can not find specifics on how to fix this.
fresh install Win Vista 32bit, Nvidia Gforce 7600gt X2 cards, ASUS M2N SLI deluxe board. Emu 202 sound, all updated with windows service pack 2 installed.

R1Q2 - Enhanced Quake II Client/Server

Stopped working

8/2/2010 12:28 AM

Not Reported

Problem signature
Problem Event Name: APPCRASH
Application Name: r1q2.exe
Application Version:
Application Timestamp: 490395a3
Fault Module Name: nvoglv32.dll
Fault Module Version:
Fault Module Timestamp: 4bb7dcfb
Exception Code: c0000005
Exception Offset: 0055e77a
OS Version: 6.0.6002.
Locale ID: 1033
Additional Information 1: f0b6
Additional Information 2: f0316018b0927265aba452f338f863c7
Additional Information 3: 2904
Additional Information 4: d1bc0b0b4666f9fc40d576290d7d77a8