Windows 10: Cannot Remove User local user Win10 home. User only shows under Run>netplwiz

Windows10 - My account is administratorA random Local Administrator appeared on the log-in screen with no password. I attempted to remove it but...Local User DOES NOT SHOW under System Settings >Family & Other Users >Other UsersLocal User account shows at log-in screen AND Win+R>netplwizI attempted to delete it at User Accounts and received the following error:User COMPUTERNAME/Administrator could not be removed.I changed the account group to User & attempted to delete it again, receiving the same error.Logged in with Local Admin - had to set it up as a new account as if it h

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Removing a "hidden" user and user files

Thanks for your patience. I was able with "Net User" to remove the left over user. It no longer appears when I invoke Net User.

Now for the user's folder which remains behind. After performing the series of steps that you suggested, I attempted to delete this folder. The result again was an error message about permission


"Administrators" appears on the list in the list of advanced security.

 

Current active users that are friends

The other reason I suggested this is that users can add characters to their username that are not alphanumeric (e.g. user*). This confuses things somewhat when looking at the list.

 

Show Local users and Groups

Hey Brink, I was just looking at groups in netplwiz today and I noticed that my user account is just in the Admin group now, it used to be in Users and Admin. I have home, so I can't change it. I don't know how it changed. I guess there's nothing I can do about it. Will it be a problem?
I'm tempted to downgrade to my 8.1 pro and go to 10 pro.