If you want to hide ‘Administrator’ account on window XP logon screen
1. Run ‘regedit.exe’ from and find ‘UserList’
2. Move you mouse cursor on right side of the window below and click right button of your mouse.
3. And create account ‘Administrator’ with ‘DWORD Value’
4. Once you crested one, it will look like below screen
5. Make sure Value data is ‘0’. If put ‘1’, then administrator account will be shown on Window XP logon screen.
To access ‘administrator’ account. hit ‘Ctrl + Alt + Del’ twice.