Arduino Yun and WiFi - need help getting started

Hardware Arduino Yún
34

access point connection failed - windows cannot resolve your wireless connectivity issue and problem with wireless adapter or access point.

http://answers.microsoft.com/en-us/windows/forum/windows_7-networking/internet-connection-failed-router-access-point/ff07b1d5-a29a-466f-a265-4d70073d6d30

Official solution