I'm not sure, but I think that Microsoft tried to put an auto install for Windows 10 into the Windows Update, but it was listed as a security update. Ha, ha. Having full control over what I install and what I don't stopped that crafty move. Wary of all updates now, I checked before doing anything else. Results: I found out that KB3097877 and KB2310138 shouldn't be installed. So I "hid" the two updates so I wouldn't accidentally install them.