http://bugs.winehq.org/show_bug.cgi?id=24013
--- Comment #1 from Xavier Vachon xvachon@gmail.com 2010-08-16 11:56:23 --- As suggested in http://forum.winehq.org/viewtopic.php?t=9311
AC was runned straight wine AssassinsCreed_Dx10.exe sh winetricks d3dx10 is not a workaround