Installing Twonky...default

Hello, what error message are you getting? You can try disconnecting the My Book power cable for 20 seconds and then try again. 

http://wdc.custhelp.com/app/answers/detail/a_id/5735/session/L3RpbWUvMTM3MTMyNTY5MS9zaWQvVy1VXzVRc2w%3D