Yes I 'reported back' by re-inserting the flash stick in the desktop and finishing that step on the guide.
Two days later I checked back and it says I am up to date.
Perhaps having a nearly original build (Oct 2014) MKC may Synch hardware won't be accepting that last update?
Whatever I will look back from time to time.
Basically I am well satisfied with 3.7. Less laggy, and better voice command recognition.
'15 Ingot Silver/ White Sands/ Reserve 2.0 FWD/CCD/ Tow Pkg/ Oct 14 2014
'55 F-100 and 64.5 Mustang Convertible