Computer Safety for Kids by Rob Pirozzi
Start With the Basics - Protect Your PC Guarding Access to Your PC - Get a Firewall Beginning in the Zhou Dynasty, which was in the 11th century BC, construction was begun on what was to become the Great Wall of China. For 2,700 years, culminating in the mid-1600s, construction continued on... The best case is that these "leftovers" can clutter up your PC, and, with time, degrade its performance. ... It will search your computer's memory, file system, system registry, and browser caches for the existence of adware and spyware.