Restrict display user name on login screen
Under Windows XP, if you log on classic session without the welcome screen, the open window will request the username and password. As default, the name of the last user of the computer will appear on the screen and you just have to put the password to login.
If you wish to disable this function for security purpose, below is a small configuration which will disable this application.
Open the registry and select the command
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system
Scroll to the Key
dontdisplaylastusername.
Right click on it and number the value as
1.
To save this setting, restart your computer.
By disabling this function, neither the username and password will be displayed on the screen.