-Open the task manager. (ctrl+alt+del)
-Go to the Services Tab.
-Click on the Services button and minimize task manager.
-In new Services Window, right click on Windows Media Player Network Sharing Service.
-go to Log On tab.
-if Local System Account is not highlighted EUREKA! Select Local System Account radio button and restart service!
Your xbox 360 should now automatically see your vista pc!
if not, try deleting the files in c:/ProgramData/microsoft/windows/drm, and restarting Windows media player.
Edited by dabrat2449, 06 April 2010 - 01:13 PM.