Double click ScreenSaveTimeOut and enter the number of seconds of inactivity before activation. Reboot for this to become effective. If it won't STOP, configure StartUp as Disabled and reboot.
Services Locate the object, highlight, delete.
During Logon Design an appropriate bitmap and place it in your NT directory as YourLogoName. Use the 8.3 naming convention. Reboot to view your handywork. By default, Windows NT displays the name of the last person to log on in the Username space of the Logon Information dialog box. If you add this value entry and set it to 1, the Username space is always blank when the Logon Information dialog box appears.