http://pastebin.com/raw.php?i=uakrSRND

I get that output and then Steam crashes.
I'm guessing it is one or both of these two lines that are relevant:
Code:
fixme:d3d_caps:wined3d_guess_card No card selector available for GL vendor 4 and card vendor 0000.
fixme:dbghelp:elf_search_auxv can't find symbol in module