Norton Antivirus blocks viruses and spyware with advanced protection. The latest Norton virus protection software automatically detects and blocks your computer from viruses, spyware, and worms. It... Norton Antivirus blocks viruses and spyware with advanced protection. The latest Norton virus protection software automatically detects and blocks your computer from viruses, spyware, and worms. It also features email and instant message scanning to detect, remove or block infected attachments. read more