https://bugs.winehq.org/show_bug.cgi?id=42774
--- Comment #1 from Hans Leidekker hans@meelstraat.net --- Created attachment 57788 --> https://bugs.winehq.org/attachment.cgi?id=57788 patch
The issue is that WinHttpQueryAuthSchemes returns when it encounters an unknown scheme where it should proceed with the next header. This patch should fix it.