Installing new software is perhaps the most adrenalin-inducing experience you'll have on a computer, aside from whatever games you might play. It's not hard to see why. You give over control of the system to a program that often demands Administrator privilege and that then starts updating some of the most fragile parts of your system. You might know the actual product being installed quite well, but there's rarely any documentation about what the installation of it will do to your system. It might install kernel drivers or Services, it might alter your personal settings without your...