Spyware used to be defined as applets, cookies or any other method used to collect statistics on your browsing habits. Gone are the days of such a benign interpretation. Spyware has evolved into a problem that surpasses those posed by traditional worms, viruses and Trojans. Today, these once relatively innocuous apps have evolved from anonymous, and often invisible, traffic statistics gatherers into beasts capable of crippling your PC's performance by installing unwanted toolbars, pop-up ads, desktop icons and many other nuisances. If that's not bad enough, some Spyware will modify system files, change security zone settings, keylog your sessions, spawn...