http://bugs.winehq.org/show_bug.cgi?id=11340
--- Comment #15 from Alexandre Julliard julliard@winehq.org 2008-02-06 13:00:16 --- Created an attachment (id=10643) --> (http://bugs.winehq.org/attachment.cgi?id=10643) Don't erase desktop synchronously
Please try this patch.