Under Windows Updates “Advanced Options” then “Choose How Updates are delivered” and you get to “Updates from more then one place”

Apparently, now, Microsoft believes it is wise to allow random PCs on the internet to distribute windows updates. Here is their information about this option: http://windows.microsoft.com/en-us/windows-10/windows-update-delivery-optimization-faq

I am much less trusting of random PCs on the inter-webs so, I have turned this new “feature” off.