I've been avoiding the Windows 10 Upgrade to my Windows 7 install, but after a reboot recently, I am now getting the following notice from Windows Update:

Is there any way to back out at this point before I reboot? I would like to hold off for a while until I am sure a few legacy applications can handle it.
$Windows.~BTand$Windows.~WSfolders. I still see that but every time I restart there is no upgrade that occurs. – MC10 Aug 14 '15 at 17:33