1.- hell yeah I love ironmaiden in special old stuff!
2.- as wine 1.1.33 Install right out the box, but you need to add
d3dx9, corefonts, dotnet20, mfc42 with winetricks, now there is
a popular error in valve steam "incomplete installation(53)"if
thats the case you need patch wine with this Patch steam_hack.tar.bz2
and update game with your patch build.
* there is people with different error codes & other problems
related with Codmw2 Installations,with no solutions so far *
3.Game runs fine , no problems , but It is a pain, to do install
game its good , wine has released ver 1.1.34 with some fixes for
left for dead2, and I belive to have same problem with the
certificate, any way Using Ubuntu 9.10+wine 1.1.33+patch+Nvidia Card
4.if you dont have much exp with wine kinda,hard to install but
not imposible... and hey its never late to learn!