http://bugs.winehq.org/show_bug.cgi?id=20736
--- Comment #15 from Hans Leidekker hans@meelstraat.net 2009-11-22 13:28:46 --- Created an attachment (id=24907) --> (http://bugs.winehq.org/attachment.cgi?id=24907) advapi32: Improve GetEffectiveRightsFromAclA.
Does this patch help?