https://bugs.winehq.org/show_bug.cgi?id=56159
--- Comment #2 from Bernhard Übelacker bernhardu@mailbox.org --- When removing from a53330b9 all NtUserPeekMessage related lines, the application still works. When removing from a53330b9 all except NtUserPeekMessage it is failing, therefore I guess this is the function for further investigation.