One of the best ways to improve the performance of your Windows operating system is to disable the core services you do not need. Rather than list them all here, a guy has been doing it for years, with great results. This is a perfect solution for people running Netbooks or older computers and who simply aren't taking advantage of many of the features that come with the higher editions of Windows. For example, many people will never use the Media Center in Windows, so why is the service enabled on the machine? BlackViper.com attempts to solve this problem for you by providing some extensive testing. The man who runs this site has tested extensively multiple configurations of core services in Windows and has done his homework. If you really want to go to the next level of performance, go to BlackViper.com and see some of the guides he has made available for disabling Windows services. I personally do not use his guides, but have in the past, particularly on a netbook Mini 9 that was running Windows 7 Ultimate as a testbed. After implementing his "safe" method of disabling services, I noticed a significant performance increase by having some of the non-essential Windows services disabled. Many users are not even aware you can disable some services without problems, but be advised that you should backup your system before making these changes. The site can be found at http://www.blackviper.com/ It is a great resource when it comes to refining Windows services.