ASO2 includes more than 30 tools for supercharging your PC's performance, and more than 200 tweaks for customizing Windows and improving its performance. New features include a spyware detective, an e-mail checker, an icon manager, a fast e-mailer, and a comprehensive backup tool for Outlook and for files and folders. You can back up the registry and restore it if it's damaged by a virus attack. The system cleaner removes junk and obsolete files from the system, including files often missed by the system uninstaller as well as by defrag and ScanDisk programs. The registry cleaner ensures that invalid information is removed, and the registry defragger helps you get maximum speed from your computer.