[KenV99]

Make sure you still are using CUDA. I had that get turned off accidentally when I was working on the system via RDP.

that may be something with mine as well, i remote into my pc from work quite a bit. ill check it tonight.... i also had it set to turn off aero while XBMC is running. i had an issue with white flashing that it seemed to help when i had that turned off. (that was on the original XBMC version) ill try turning that off also. i shouldnt need both those audio codecs running as well right?

Definitely not. I know I sound like a broken record, but I really think using graphstudionext is the way to sort out what is loaded and how it is connected and to watch as you tweak.