Continually popping out of the blue, not asking, rather telling!
This refers: h t t p://goo.gl/e97Uk2
I've been researching about KB3035583, and there seems to be a strong opinion that hiding it is a temporary fix.
I'm now using this app h t t p://goo.gl/Xt0UsR which gives me more control against the Win 10 attempts, and shows there are already 5Gb of files related to Win 10.
Once again, thank you for your excellent advice.