ASTP all you need to maintain your pc in a few mouse clicks : 1-Find duplicate files, organize your computer, mark all files you want to delete and remove it. 2-Verify if your Windows registry contains errors (the heart of the System), safely clean, repair and optimize the Windows registry. Exclusive algorithm : tries to find the correct file path for registry errors. Daily pc usage and install/uninstall programs causes registry errors that slows pc perforormance. 3-Disk usage graphics: Displays graphically the hard disk space usage. View largest files and folders, statistics by file extension.4-Digital shredder: Remove files from your hard drive without fear they could be recovered (DoD compliant). When deleting personal files delete it forever !5-Immunize Windows System: Block installation of know spyware programs and block installation of a long list of bad cookies (adware) 4100 items.6-System tweaks: Clear old system restore points, automatic clean cache (browser exit), and much more... 7-Simple pc cleaners only empties the pc temp folder and cache they don`t delete thousands of junk files spread in disk folders (example: WORD temporary files, old Windows restore points), ASTP advanced cleaner, searches in all the pc folders looking for several well know junk file extensions, empty Windows temporary folder (5GB, this folder may also contain downloaded viruses), free several gigabytes.8-Empty browser cache and history (protect your privacy).Benefits of a ASTP tuned PC: Restored Power and Stability Accelerated System Startup times Valuable hard drive space is recovered Your privacy is protected Improved overall PC performanceMultilanguage 8 idioms.