http://bugs.winehq.org/show_bug.cgi?id=22980
--- Comment #4 from Michael Hill packagemonkey@yahoo.com 2010-05-31 19:48:13 --- That appears to have done the trick. I've never used winetricks before, and haven't seen any clear documentation on how it interacts with a stock wine installation, your .wine directory, etc. Also, my system had the corefonts package installed (via portage). But that script copied files into my .wine directory and now the steam window stays up. Thank you!