Create A Hidden User Account in XP

This tweak allows an account that is normally displayed on the Welcome screen to be hidden from view. To log on using the account it's necessary to use the Log On To Windows dialog box similar to the one in Windows 2000
#[Start] [Run] [Regedit]

#Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon\SpecialAccounts\UserList

#Modify/Create the Value Data Type(s) and Value Name(s) as detailed below.

#Data Type: REG_DWORD [Dword Value] // Value Name: Type Name of Account to be Hidden

#Setting for Value Data: [0 = Account is Hidden / 1 = Enabled]

#Exit Registry and Reboot