I just bought the WDTV live plus when i first got it the media server and network shares worked then all of a sudden they are gone and i can not acess them on the Wdtv live plus but i can access the wdtv plus on my PC any help would be appreciated
Welcome to the forums.
Here’s the most common stuff:
http://community.wdc.com/t5/General-Discussions/WDTV-FAQ/td-p/32135#sharing
Make sure as well that Windows Live Assistant isn’t installed anywhere on your systems.