how about your sound driver
or look your audio decoder ??
you have media player classic ??
if have try this :
1. click configuration , after that click ffdshow audio and click menu Output decoder please try any options and play DW6 , if not work , do again ,
but i always fix my ffdshow on Output , mark on option ( 16 bit integer) and mark on option (Allow direct-to-file output)
when i must reinstall again my windows , my DW 6 always crash because i not fix
ffdshow video docoder , i found on not mark all list RGB system ,