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All this [nocando] started when I updated to DX 9.0


Try Windows Update and check if an update is available for DX9... Also, for the nVidia drivers, I remember I had lots of troubles running Diablo 2 on my TNT2, the solution was to use old drivers. It seems that sometimes backward compatibility for nVidia drivers is not optimal, and the older the card is, the higher the risk is...

Lots of web sites provide old versions of drivers, it should not be too hard to find.

Please note that I relate here my very own experience with nVidia drivers, which has nothing to do with Larian <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />