Administrator user account does not display

I don't know if you have encountered it. The system started to log in to Windosw XP system with the Administrator user account, but when re-establishing a new user name, the original Administrator user The account is not displayed, the program files inside are gone, need to be reinstalled, is there a way to restore the display of the Administrator user? When installing Windows XP, if an administrator account is set, the administrator administrator account with no password protection built in the system will not appear in the user login list. Although it is behind the scenes of the
computer
system, it has the highest authority of the system. In order to facilitate the operation and ensure the security of the system, you can set the password first and then set it to the system foreground. See the specific operation method below. 1. When starting the system to the welcome screen, press the “Ctrl+Alt+Delete” key twice to enter the username and password of the Administrator account in the login box that appears. You can also click “Start →Control Panel", double-click the "user account" icon, in the pop-up "User Accounts" window, click “change the way the user logs in or log out”, remove “Use the checkbox in front of the welcome screen", click “apply option" to log in directly by entering the Administrator user account and password at startup. 2. On the login welcome screen, display the Administrator account, click “Start →Run”, enter regedit, and then expand “HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon\\SpecialAccounts\\UserList” branch, right Change the value of the Administrator to 1, and the Administrator account will appear on the welcome screen of the login. Third, automatically log in to the Administrator account Click “ Start → Run & rdquo;, enter control userpasswords2 and press Enter, in the open "User Accounts" window removed "To use this machine, the user must enter the password & rdquo; before Checkbox, press “Apply”, in the pop-up "Automatic login" window, enter twice, OK <; OK & rdquo; Note: If you have set up another account to automatically log in, you should first select “ to use this machine, the user must enter the password in front of the check box, press “ Apply & rdquo; then remove the selected check box. You can also modify the registry to achieve automatic login, but there is no convenient method.