this suite contains utilities to clean registry, temporary files on your disks, erase your application and internet browser history, cache and cookies. it also supports to defragment your disk drives and improve computer performance and stability. built-in StartUp Cleaner allows you to control startup programs that load automatically with windows, find duplicate files, fix broken shortcuts and uninstall unneeded software. other features include secure file deletion, recycle bin shredding, system maintenance tasks scheduling and undelete deleted files.