Windows 7: Blacklight tango down....Keyboard issue

Hello Frnds! i have a strange issue and not sure if this is the right place to post this. But, anyways my keyboard doesnt work with a game (Blacklight Tango down). In the begining of the game whe it says "press enter to start" and when i press enter nothing happens, it just stays there. My Num lock key light is ON and it works with other games perfectly fine.

Please suggest.

As far as i'm aware, its the Games for Windows Live client is not starting up when the game is launching. I had this same issue and did the following which worked for me.

Shut down any MSN powered application
Download the latest Game For Windows Live client from here

Once it is installed, restart your computer.

Then try launching the game.