How to hide vista users at Welcome screen

1. Type regedit to run Registry Editor
2. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\SpecialAccounts\UserList.
3. Create folder for SpecialAccounts or UserList in the registry order above if it's not found. Right click on the Winlogon folder in registry editor and select new folder to create the folder.
4. Create a new DWORD(32 bits for 32bits vista os) key with value 0 (as default) under UserList registry folder. Name the key as the vista login you would like to hide.
5. For example, if your vista login name is Belacan. Then the new key should be belacan (case in-sensitive).
   
6. The DWORD value 0 indicates hiding. You can set the value to 1 if you would like to show it in the future.