Unchecky

Unchecky automatically unchecks unrelated offers, both saving your mouse clicks and making it less likely to miss a checkbox of an unwanted offer.Installers often try to sneak additional programs as a natural part of the installation. Unchecky warns you when you try to accept a potentially unwanted offer, which makes it less likely to be accepted accidentally.

Install and forget. Unchecky automatically updates whenever a new version is available, so you don't have to worry about running the latest version.