A new demo has been added in the Windows XP Professional  demo portion.The detail of this demo is

Title: How to Delete a User Profile in Windows XP

Objective: The objective of this demo is to teach you how to delete a user profile in Windows XP.User profiles automatically create and maintain the desktop settings for each user's work environment on the local computer. A user profile is created for each individual user when the user logs on to a computer for the first time.

If you are a subscriber, then click the Demos link in the navigation menu to view the complete list of demos.