What should I do if the administrator is missing after creating a new one?

Account management in the control panel.

Select Administrator Account.

Select Enable.

Click Start Run, enter regedit, press enter, open the registry, and change the value of the administrator on the right to 1. to have the administrator account appear on the welcome screen for login.

If you can't see the administrator key, you can create an administrator under the branch, with a value of 1 and a dword attribute.

Run regedit, search for userlist, then create a new dword value on the right, take the administrator name, double-click, change its value to 1, if there is already administrator, just change its value to 1

The administrator is the highest authority of the computer's administrator account, but because you create a new administrator account, so the system comes with the one is hidden, press f8 at boot, select the safe mode to enter the system, the administrator will come out, if you want to let it appear under normal circumstances, delete or disable other administrator accounts (accounts you name yourself), or remove the welcome interface, and choose the traditional account name and password login method.

The solution is as follows:

1. First of all, click [Computer Management], as shown in the figure below, and then enter the next step.

2. Secondly, in the pop-up window, right-click on Computer Management as shown in the image below, and then go to the next step.

3. Next, the administrator interface will pop up, as shown in the figure below, and then enter the next step.

4. Then, after completing the above steps, set up the administrator account, click on the application below.

Click on the Windows icon in the bottom left corner, then click on the avatar of your account as shown in the image below, and proceed to the next step.

5. Finally, after completing the above steps, you can see that the administrator setting is successful, and the default administrator account of the computer login user will be displayed, as shown in the following figure. In this way, the problem is solved.

When deleting the user administrator, the following error occurred: This operation cannot be run on the built-in account is caused by a setting error, and the solution is as follows:

1. Find the computer on our computer, first right-click on the computer, and select Manage.

2. After clicking on the management of the computer, a computer management page will pop up, find the system tools column on this page and click it, as shown below.

3. Find the local users and groups in the right box after clicking on the system tool, click on the users inside, and then enter.

4. After entering the user, go back to the right panel, right-click the user you want to delete, and select "Disturb Delete".