(1) Enable SSDP Discovery Service
Start -> Setting -> Control Plane -> Administrative Tools-> Service -> SSDP Discovery Service
(2) Add UPnP Windows Component
Start -> Setting -> Control Plane -> Add or Remove Program -> Add/Remove Windows Component -> Network Service -> UPnP User Interface + Internet Gateway Discovery
(3) Enable UPnP in Windows XP Firewall
Start -> Setting -> Control Plane-> Windows Firewall -> Exception -> UPnP Firewall
Refer Link:
http://hi.baidu.com/chenshake/blog/item/ea299f8b398a8ed7fc1f1008.html