http://bugs.winehq.org/show_bug.cgi?id=6152
------- Additional Comments From jan.wine@zerebecki.de 2006-07-09 04:27 ------- No don't install native dx. I suspect it's because of registry entries from an older version. Try if rerunning wineprefixcreate help and/or does this happen with a fresh .wine (move or delete the old one)?