"Traces of the Stealth_c Virus have been found in memory. Reboot to a clean system disk before continuing with this installation…" This was the message staring back at me from one of the computer monitors at my office. Questions raced through my mind. "Stealth_c?" "What's a system disk?" "How am I supposed to install anti-virus software if the computer system already has a virus?" As a discouraging feeling of helplessness came over me, I thought of all the people who had loaded something from disk on this box or who had used this box to acc ....