hmm, I sure hope that someone will come up with a solution for you.
my nVidia 6600GT (yes I know: old and outdated) has AA-settings: 4x and AF: 8x
and I haven't experienced any graphics-glitches so far.
the point is how to narrow down these glitches to either the settings of your graphics-card or corrupted installation ....
but how to proceed I don't know?!
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