http://blogs.technet.com/markrussinovich/archive/2005/10/02/registry-junk-a-windows-fact-of-life.aspxRegistry cleaners have always been popular, but I never paid much attention to them. I originally thought that there might be valid reasons for their existence, but over time changed my mind, only to recently recognize that even today they can help maintainen-USCommunityServer 2.1 SP1 (Build: 61025.2)