When I am playing a song with windows media player I try to "play to" xbox 360 media center extender (yes it is on and in wmc mode : ). and then it trys to stream it. but after less than a minute I get this message "device cannot be controlled" refering to my xbox! anybody got any suggestions? i have tried google. it was zero help. see pic please. is there any thing else i need to do in order for this work properly?