HS WinPerfect - Version 6.20 Windows system optimizer which checks and fixes any hard-disk and file system problems, cleans hard-disk and system registry, optimizes memory, defragments hard-disk, optimizes any installed software, tunes-up system specific settings, accelerates internet connection, improves cpu usage, maintains security, manages installed system services and uninstalls software no longer wanted. It supports Windows 2000/XP/Vista. It automatically detects the system and dynamically organizes itself accordingly. It is all-in-one package.