HS CleanDisk Pro (System Utilities /System Maintenance) [Release Date 09.04.2008]
Windows system optimizer which cleans hard-disk and system registry, finds duplicate files, optimizes memory, tunes-up system specific settings, accelerates internet connection, improves cpu usage, manages security and backup issues

CleanDisk (Network Internet /Search Lookup Tools) [Release Date 02.02.2007]
CleanDisk will help you automate the task of removing unwanted junk files. It's quickly and easily scans your hard disk(s) for unwanted files and assist you in deleting them.