[Tigger88]

your install of Il2 1946 should be 4.08, but for peace of mind you can grab it from here

http://files.filefront.com/IL+2+Sturmov ... einfo.html

and run it once you've installed Il2 1946 and before you do anything else, it won't hurt and will make sure that you're at 4.08 as a starting point.

Any snags just shout but looks like you're good to go !