I downloaded this program off steam yesterday and worked fine. went on it this morning and it said spartian file is courrpted (i tried to start offline first) then when i had internet conection it wont get past the inital loading screen (the one with the greeks looking at the prymids)
www.ageofempiresonline.com is the official site / forum for the game.
Regarding your issue, run a full scan from the launcher.
do you no where to find the online key code i cant find it anywhere