Norton AntiVirus 2009 provides fast, continuous protection against viruses, spyware, worms, bots, and other malicious threats. It protects your system without slowing you down. Rapid pulse updates and an innovative new architecture dramatically improve performance and help to ensure that you're protected from new threats.Norton AntiVirus stays out of your way while you work or play. It automatically suspends all non-critical tasks and alerts when you're enjoying games and movies. And while web-based attacks may be the single fastest growing type of online threat, Symantec's patent-pending Browser protection lets you surf the Internet with confidence.