I got an old issue to crop up I reset the firewall and Windows Media Extender was not automaticly redetected I had to go in firewall settings and select it to re-enable it all is still good I had some strange looking things listed in the firewall that prompted me to clear out the allowed apps and let everything redetect.
System OS Windows Vista Wloc 2.0 days of ops 32
This issue carried over to Build 2.0.2318.12