On the privacy front, for example, you can disable automatic updates, error reporting, or Windows Media Player's automatic licensing downloads and sending your player ID to content providers (so you control when and to whom your computer talks to). Beyond that, it has all kinds of minor Internet Explorer, usability, and service tweaks. If you've got a Vista annoyance or two that you want addressed, chances are Vispa will address at least a couple of them. Vispa is freeware, Windows only.
Vispa [via Download Squad]
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