Vispa is an open-source software that easily allows its user to tweak Windows Vista to disable all communication with Microsoft servers, increasing privacy and security, aswell as improving the general performance.
There are many reasons why you wouldn't want your operating system connect to Microsoft's server, be it for practical reasons or pure idealism. Based on the source-code of the award-winning xpy (version 0.9.8), Vispa allows you to easily tweak your Windows Vista for better privacy and security, even system performance. Do a few clicks rather than finding the write registry keys or program settings.
Supporting Windows Vista and Windows Server 2008, Vispa allows tweaking the default settings to your needs. This includes the disabling of services, changing the behaviour and usability, deleting undesired files, or tweaking programs like Internet Explorer, Windows Media Player and Windows Messenger.
It is recommended to use Vispa with care, it's not everybody's solution to make your Windows run better. Use it with care and it will help you making changes to your operating system much quicker.