• Professional hard-drive cleaning programs help optimize your computer.hard drive image by iMAGINE from Fotolia.com
  
  What makes these programs excel is the speed and thoroughness in which they clean and optimize your hard drive. Each of these programs has a one-click method to scan your hard drive. It can take up to 15 minutes to clean and optimize your computer, depending on the size of your hard drive and the number of files to be repaired or deleted.
  
  

MacKeeper

• MacKeeper is an all-in-one utility program that cleans your Mac's cache and logs. It also deletes old files, redundant binary files, unnecessary language files and duplicate files. The Wise Uninstaller utility deletes all program files associated with any software that you wish to remove from your computer. The Disk Usage utility lists every file that you have on your computer so that you can delete what you do not want or need.
  
  

CleanMyMac

• CleanMyMac is similar to MacKeeper in that it cleans the cache and log files, plus deletes unnecessary language and binaries files. It also deletes .DS_Store files, .Spotlight-V100, classes.nib, info.nib, data.dependency and designable.nib files without harming your applications. It will clean your photo cache as well. This software will empty your trash, too, if you tell it to do so.
  
  

Advanced SystemCare

• Advanced SystemCare will wipe out your registry junk files. Then it will compact the registry bloat and defragment it so that your PC will run faster. The software also cleans missing files, destroys unwanted junk or regular files, and deletes outdated files. Deep cleansing will make your PC run faster because the hard drive will have more space.
  
  The Disk Defrag function will repair your hard drive up to 10 times faster than other defragmentation tools. Advanced SystemCare scans and removes spyware and adware. Not only that, but it will prevent spyware, hackers and hijackers from installing malicious files on your computer. It works with a wide variety of languages, including English, German, Japanese, Russian and Spanish.
  
  

PC Tools Registry

• PC Tools Registry optimizes your PC's performance by scanning and repairing your registry to fix freezes, crashes, orphaned registries and slowdowns. Customize your ignore list to allow your most critical files and applications from getting detected and repaired.
  
  PC Tools Registry will evaluate the start up and shut down times of your PC so that it can highlight potential issues. Its tuneup feature will provide better start up times by turning off nonessential programs and services. Back up any repairs that you make so that you may restore your disk at any time. The software works with up to 17 languages.