OSNews

"Using a Limited account during your everyday work gives better protection against malicious software infection and accidental misconfiguration. But installing software or changing some system settings can be difficult in a low privileged environment. The sudoWn project can execute individual programs (or even a whole Windows shell) with temporary Administrator privileges under your user profile. This means you can use a low privileged environment and elevate your rights transitionally for software installation or systemwide configuration comfortably."