Bobert - spent last weekend solving a very similar problem with my trusty aged GeForce256DDR. Turned out to be a duff Via AGP driver (4in1s v4.35), solved by installing a different version of the ...
I am having problems with Direct3D 8 in Windows XP. When I run the Direct3D test in the DXDIAG, the D3D 7 test runs fine then the D3D 8 test errors with this message: "Direct3D test results: Failure ...
Update, January 19, 2018: AMD have released the latest Radeon Software Adrenalin Edition update, version 18.1.1, which contains the final maintream fix for the few DirectX 9 problems some users ...