Symantec's Norton AntiVirus 2005 is the world's most trusted antivirus solution. Utilizing new exclusive technologies, Norton AntiVirus 2005 removes malicious code automatically, and protects e-mail messages and Instant Messaging attachments from viruses and worms. The latest version of Symantec's award-wining antivirus solution also keeps virus definitions up-to-date without requiring user intervention, which allows consumers to continuously maintain the highest level of virus protection.