CCleaner updates your software automatically to close security holes before they can be found. Old software can have vulnerabilities, which are quickly discovered and shared amongst cyber criminals. It comes in both a free and professional version, with the paid version offering additional features and customer support.ĬCleaner's Driver Updater improves things like your PC's visuals, sound, and internet connectivity while preventing software bugs, hardware problems, and crashes.ĬCleaner's new Health Check analyzes your PC and recommends quick fixes, then automatically tunes and updates it so it starts and runs faster, and is more secure. CCleaner also offers features for software uninstallation, startup management, and online privacy protection.