Zilla TuneUp Optimizer Extends your operating systems capabilities: Drive Cleaner, Registry Cleaner, Internet Cleaner, DLL Cleaner, Internet Tuneup, StartUp Tuner, File shredder. Free up valuable space on your hard drive, makeWindows faster, more secure and comfortable. Optimizes the performance of your PC, corrects problems, and helps you customize your system to suit your needs. Removes unnecessary files from your drives. Change each Windows icon or all icons using icon packages, Effects, security, input options and the memory management, accelerates your Internet connection, recovers files and protects your privacy, Cleans your temp and registry easily and safely, Automatically corrects system problems, Recovers deleted files and protects your privacy, Provides extensive information about your hardware and software and allows you to customize and tweak your system. Start-up program controls with crash-preventing Optimizer, a file shredder, and a respectable uninstall utility round out this suite. Includes a built in hard drive defrag. Best of all it is free!