Do you know? The free program or application that you just downloaded from internet may have Trojan Horse, Spyware or Key Logger hidden inside. This may seriously affect you. Your secrets may be stolen. Every computer and Inernet user should be aware of these enemies and how to tackle them. Let us see what these enemies do and how you can remove them.

1. On the exterior the program which hides the ‘Trojan Horse’ may look very normal. But the enemy is hiding inside. Whichever task this enemy i...