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. ESET NOD32 Antivirus is also one of the fastest antivirus solutions, so fast you won't even notice it running. And it's both incredibly easy to use yet simple to tailor for your specific needs.