http://bugs.winehq.org/show_bug.cgi?id=27361
--- Comment #4 from hennr hennr@hennr.name 2011-06-06 04:43:17 CDT --- Yep, seems to be the same:
sha1sum dow-repo/DarkCrusade\ Demo.exe 3a704a5920049327f95eeff854e8631a3063fa26 dow-repo/DarkCrusade Demo.exe
It's the _un_installer that crashes, did you keep that in mind?