Windows 10: How do you Recover a Corrupted Stolen Administraitor Priviledges Account??

I don't know what to do, someone has taken control of my. Administraitors Priveledges Account!!!!!! Since they have done that, they have been able to do every thing that I can do on my Desktop Comp: And I mean every thing, including uninstalling, or installing all my programs! Since they have been able to do this, they now are harrassing me all the time by! Deleting programs so I have to install them again!!! Please does anyone else have this problem? If so, do you know what I can do to get them out of my Adminstrators Priviledges and Xbox Accounts?? I would surely be grateful! Thanks Evey boop​

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My user account set to admin but I have 'insufficient priviledges'...

After a clean install I see at login an Administrator account and my named account. I always log in to my named account. In settings/accounts I am shown as an administarator next to the administrator account.

Whilst reinstalling a programme I am getting errors in some because the installer is finding insufficient priveiledges. How can this be if I am listed as an administrator? How can I gain the required priviledges?

Windows 10 version 2004 build 19041.329

 

Remove account

I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code: