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 less frequent scans and the fastest scan speeds in the industry. New Vulnerability Protection prevents threats from exploiting security holes in your PC's software. And 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.