http://bugs.winehq.org/show_bug.cgi?id=9878
--- Comment #23 from Stefan Dösinger stefandoesinger@gmx.at 2007-10-17 01:08:43 --- Could Steam of VAC mess with the heap data structures? Steam is some sort of copy protection system, and VAC is a cheat protection tool, so both are candidates for messing with things they shouldn't touch.