Hello anonymous user
Please try the next:
Right click Start
Select Run
Type net user administrator /active:yes
Close the command prompt
The built-in administrator will be available to sign into
Restart your computer
Go into administrator account and change the standard account to an administrator account using the steps below:
Click Start
Go to the search field box
Type User account
Click Settings
Click on the User account
Click Change account type
Select the account you want to make into an administrator account
If that doesn´t help try Perform System Restore
If you enabled user account control on your computer then the admin accounts were accidentally deleted, perform a system restore and see if it helps.
Here’s how to perform a system restore when your admin account is deleted:
Sign in through your Guest account
Lock the computer by pressing Windows key + L on the keyboard
Click on the Power button
Hold Shift then click Restart
Click Troubleshoot
Click Advanced Options
Click System restore
Follow the instructions to complete the process
Check if this restores your account. If it persists, try the next solution.
Hope this helps with your query,
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