that autoupdate is not actually an auto upgrade, but simply a version check... there have been a few different versions of it... it is something we need to put up on the website (which is why you get the 403, because the file does not exist on the server since we took over serving the domain
www.wingate.com from Deerfield inc a couple of weeks ago.
As for your final question, your license will be recognised.
Adrien