Sorry to necro, but I've switched to Gentoo and the same (or a similar) thing happens on wine 1.2, upon trying to launch from Steam: err:seh:raise_exception Unhandled exception code c0000005 flags 0 addr (nil) Also not sure what to attach as far as log files etc. as I know this line alone is pretty much worthless for anyone trying to help. I might try filing a regression later.