Following is the key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList

I then looked at each profile ID and found the one with Profile Image Path of ...

Me neither is an update from Win 8. I have been able to get the update installed. It required me to go in and edit my registry. There was a rogue key left from Nvidia.

I have an ASUS desktop and tried the direct download method with no luck. Still unable to install this update.