I did check the rest of the forums.
I deleted all of the folders.
I reset my winsock
Still seeing same thing as original poster. I even grabbed an old old copy of the updater and got the same thing. The updater downloads the file and displays nothing. When I hit the output button I get:
WAU Version (22.214.171.1247) assembly version (126.96.36.199951)
Auto-retry of addon list load
From all of the posts I'm reading of people having problems I'd say its a good bet its a serverside issue.
And magically it starts working again without any additional changes or reboots etc...