Norton AntiVirus is the world s leading anti-virus software. Just install it and forget it! It s always working in the background to protect your PC, and automatically updates its virus definitions when you are connected to the Internet. It also scans files you download from the web, as well as attachments you get through email, instant messages, and others by automatically removing viruses, worms, and Trojan horses. Norton AntiVirus users also get the assistance of the Symantec AntiVirus Research Center (SARC), whose global staff is on duty 24 hours a day detecting new viruses and developing antidotes to safeguard your data.