Western Digital WD tv Live media player

hi everyone

i have connected wd  live mediaplayer.

i cant play trailer on my usb with wd  live mediaplayer.

i connected the hardware right and i can see the setting menu.

how can i play from usb film.mov or film.avi ??

Does it give you an error message when you try to play the file?   If so, what does the message say?