wgan, if you are running a WinNT based operating systems such as WinNT/2000/2003/XP then ERUNT and NTREGOPT are highly recommended.
ERUNT is the registry backup application.
NTREGOPT is the registry optimization application.
The system must be rebooted to take advantage of the optimization.
http://www.larshederer.homepage.t-online.de/erunt