Active Shield will shield your PC against trojans, spyware, adware and trackware. It is an ultimate heuristic screen that actively protects your computer from trojans, spyware, adware, trackware, dialers, keyloggers, and even some special kinds of viruses. Don't wait while malicious programs strike roots in your computer. Don't let them ever reach you PC. Remember that active defense is more effective than passive. What does that mean? Other anti-trojan and anti-spyware utilities search for malicious programs on your hard drive and registry while this program is already in your system. It works for your system just like the way firewalls deal with internet traffic. If a malicious program tries to reach your PC, it will reveal this attempt and kill the invader. It is your final step on the road to safety and comfort. Please let professionals guard your security and privacy while your working or entertaining with your PC.