NTSet 

A Delphi/C++ component pack to easily acess Windows API: Windows services, event logging, user privileges and credentials, shared devices, file access rights, registry security, remote administration, scheduling and messaging, network browsing etc.
windows 2000 nt delphi c++ services event log userman sharing security registry network server info send messages browse networks

PowerPrompt 

PowerPrompt will start a new command console. This console is running with System privileges and any program launched from this prompt will inherit System credentials. This gives you maximum access to your system so be careful.
powerprompt skrubbeltrang grubletrang system elevated full access

Access Denied XP 

Security program that request username and password on boot-up and lock your desktop by one mouse click. All unwanted people are getting away from your computer. It is stronger what Windows XP security. Easy look to user privileges.
access denied xp boot lock screen protect safe guard password security