Norton Antivirus 2006 Protection Pack - 5 User Automatically updates itself for 12 months to protect you against the latest viruses, viruses, Trojan horses, worms, and spyware Prevents spyware programs from hijacking your home page and redirecting you to their download sites Checks incoming and outgoing email attachments and instant messages for viruses Uses smart technology to detect emergent worms and other new threats without waiting for updates Note: This version of Norton AntiVirus is licensed for five users