how to know all user in my system

[mattia83]

Hi, i made an installer with nsis and i need to retieve all the user name in my win2003server system, i have to do this 'cause i have to delete all the directorues like this:

C:\ Documents and settings\username\myapp

Are there any register keys to know the username?

thx

[IcemanND]

HLKM\Software\Microsoft\Windows NT\CurrentVersion\ProfileList