http://bugs.winehq.org/show_bug.cgi?id=27657
--- Comment #8 from Erich Hoover ehoover@mines.edu 2012-02-13 19:33:52 CST --- Created attachment 38864 --> http://bugs.winehq.org/attachment.cgi?id=38864 ws2_32: Revise AcceptEx behavior to send completions for cancelled sockets [v2].
(In reply to comment #7)
seems that the patch to that bug: http://bugs.winehq.org/attachment.cgi?id=38723&action=diff fixes the issues clicking play or closing out the launcher.
I've created a revised patch that I think might be reasonable for inclusion (attached). Please give it a try.