Norton AntiVirus 2012 defends your PC against viruses, spyware, bots, worms, and more without slowing you down or getting in your way. Intelligence-driven technology identifies and targets only files at risk, for faster, less frequent scans. Vulnerability Protection prevents threats from exploiting security holes in your PC's software. Pulse Updates every 5 to 15 minutes and real-time online security checks help ensure continuous, up-to-the-minute protection against the latest threats. Plus, unlike other antivirus solutions, Norton AntiVirus provides easy-to-understand threat explanations and information about CPU and memory resource usage to help you prevent future infections and keep your PC running fast. Norton AntiVirus 2012 delivers industry-leading protection against viruses, spyware and more without slowing down your PC. Proactive protection automatically removes threats and stops new attacks before they can do damage. Uses intelligence-driven technology for faster, fewer, shorter scans--spend more time using your PC and less time waiting for scans. Provides clear, useful information about the CPU and memory resources used by applications to help you keep your PC running at top speed.Tells you what attacks it catches, where they came from and what they did so you can avoid future attacks.