http://bugs.winehq.org/show_bug.cgi?id=31162
--- Comment #1 from Henri Verbeet hverbeet@gmail.com 2012-07-07 17:51:41 CDT --- Created attachment 40918 --> http://bugs.winehq.org/attachment.cgi?id=40918 patch
(In reply to comment #0)
fixme:secur32:schannel_get_protocol unknown protocol 4
Chances are this has nothing to do with the reason the launcher doesn't work, but just in case, could you try the attached patch and create a +secur32 log if it doesn't help?