CCleaner a utility for cleaning the debris in the operating system. In the course of their work CCleaner (Crap Cleaner) is looking for and removes unused files. These include: cookies, history, visiting sites in IE, temporary Internet files, search strings, files, Recycle Bin, etc.
 
Also search for temporary files of third-party applications: Firefox, Opera, Media Player, eMule, Kazaa, Google Toolbar, Netscape, Office XP, Nero, Alcohol 120, Adobe Acrobat, WinRAR, WinAce, WinZip, GetRight, Morpheus, Download Accelerator Plus, VirtualDub , ZoneAlarm and many others. Can be subjected to cleaning and registry Windows, ridding it of its unnecessary extensions of the old library dll and wrong ways, which accumulate in considerable quantities, especially after the installation and removal of a variety of programs.