In Group Policy there is a setting that deletes a user profile after a system restart. The setting does seem to delete/remove the user from the Registry; however, it does not delete/remove the folder for the profile's username in C:\Users. What does happen is the "Date modified" time stamp...
accumulation issues
c:",
date modified
deleteprofile utility
folder management
group policy
librarycomputers
profile deletion
public machines
registry
system restart
user profiles
windows 7
windows xp