This utility released by Microsoft long time ago when XP still supported but ironically decidedly for Vista or newer only. I thought it kind of regshot (registry and filesystem snapshot) or similar but turn out a security risks snapshot. I patch it to work with XP (only) because when debug the half native half dotnet apps it actually or at least initially designed for a minimum XP SP2. The patch just change the required NT version from 6 to 5 and it works but hey I'm no security expert kay?
Dedicated to XP diehards:
http://d-h.st/Tk6 (32bit only)