ok i was getting on this site i have ben getting on for a long time and all of a sudden mcafee virus scan said that it cleaned a trojan what kind of virus is this thanks
A trojan is usually a virus that creates a "back-door" to your PC, to make it easier for other hackers to get in and mess around with your system real bad.
It's not as bad as a worm, as it spreads less easily, but can still be just as dangerous.