Let me check your update log. The update you got was different from the normal Windows update so you may still not have access to that channel..
I don't seem to find much from today in you update log. We haven't had a Windows update since 7/14 so I can't even check mine for an actual update. I do see the Defender updates. Maybe give it some time to catch up or try a manual update every hour or so. Make sure and reboot your system once in a while.
As far as the users, if you are on Win 10 pro, you can type compmgmt.msc in a run box and get the computer management utility. If you check the local users and groups, you only show the one user in that listing? If you do only show one listing, maybe something is stuck in the registry.