##Id_String2.6844F930_1628_4223_B5CC_5BB94B87 9762 ##
Click properties and you will see it is Bonjour DNS. I disabled, rebooted, played 4 matches in a row with no problems but losing every single one within 7 minutes.
This cured my problem, so do a Google search and read about it before you try, but thank goodness. Now I just need to learn how to play.