http://bugs.winehq.org/show_bug.cgi?id=20736
--- Comment #9 from Owen Rudge owen@owenrudge.net 2009-11-19 15:48:57 --- Created an attachment (id=24843) --> (http://bugs.winehq.org/attachment.cgi?id=24843) Ugly hack to get L4D2 working
Yep, Steam now actually verifies the certificate afterwards now. I've attached a very ugly hack which preserves the certificate in memory, and returns it when Steam later asks for it. Note that this made cause breakage in other applications; I have not tested it extensively. I am working on a proper solution to this problem, so should have a new patch in a day or two.