Aim question?easy 10 pts for the first answer i see?

i use meebo for aim and somebody is trying to play me a game. there is like a rocket thingy on top right when ur messaging and mine is grey meaning that i cant click on it. and when the person im talkin 2 tryz to invite me to a game... it says something like can't launch application. and the person that im talkin 2 uses meebo also...? pls hel