Go to Customer Service you may have a bad cd or whatever. You can email call or get on line assist. Because you posted I'm assuming you are connected to the internet go here,
http://support.msn.com/contactus.aspx
I download MSN but it wont work. It just comes up with this box that says, "A dynamic link library (DLL) initialization routine failed. UNICOWS.DLL"
I've tried uninstalling and redownloading but it does the same thing.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic