http://bugs.winehq.org/show_bug.cgi?id=27865
--- Comment #2 from Hans Leidekker hans@meelstraat.net 2011-07-23 03:57:45 CDT --- We have a test which shows that WinHttpReceiveResponse fails if the server doesn't return any headers. So it looks like IWinHttpRequest::WaitForResponse must ignore this error.