Norton PC Checkup is a free diagnostic tool that scans your PC to identify security, performance and system-related problems. Over 200 elements of your PC are scanned each time, giving you a complete and customized report on your PC's overall health. Through its simple graphical user interface, you can review and perform simple do-it-yourself steps to fix PC problems, upgrade or purchase needed software, or call an expert for remote help - all right from Norton PC Checkup.