ESET NOD32 Antivirus 4 is the most effective protection you can find to combat today's huge volumes of Internet and email threats. It provides comprehensive antivirus and antispyware protection without affecting your computer's performance. Using advanced ThreatSense® technology, ESET NOD32 Antivirus proactively protects you from new attacks, even during the critical first hours when other vendors' products aren't aware the attack even exists. ESET NOD32 Antivirus detects and disables both known and unknown viruses, trojans, worms, adware, spyware, rootkits and other Internet threats.