I got it working with sound by disabling the item hack and idle skip, and using a saved game i already had. Some parts of the game will crash without the item hack, so i had to re-enable it for those parts and save after, before disabling again.
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VISTA ULTIMATE x64
AMD PHENOM II 940 X4 @3.8GHz
4 GB DDR2
GTX 260 core 216