http://bugs.winehq.org/show_bug.cgi?id=22656
--- Comment #3 from Vincent Povirk madewokherd@gmail.com 2010-05-11 13:21:19 --- It should default to native if there is a native version available. If the crash is really from builtin windowscodecs (it doesn't look like it to me), could you get a +wincodecs log?