http://bugs.winehq.org/show_bug.cgi?id=17490
--- Comment #3 from Vitaliy Margolen vitaliy@kievinfo.com 2009-02-21 14:17:35 --- Created an attachment (id=19595) --> (http://bugs.winehq.org/attachment.cgi?id=19595) Implement GetShortPathName16
Can you try this patch?