CCleaner now includes a duplicate file finder tool, which can quickly find these files, and allow you to choose which ones to delete – freeing up more space on your PC than ever before! You may not realize how many duplicate files are stored on your computer, taking up valuable hard drive space. Including File Extensions, ActiveX Controls, ClassIDs, ProgIDs, Uninstallers, Shared DLLs, Fonts, Help Files, Application * * Paths, Icons, Invalid Shortcuts and more.Advanced Registry scanner and cleaner to remove unused and old entries.Including: Firefox, Opera, Media Player, eMule, Google Toolbar, Netscape, Office XP, Nero, Adobe Acrobat, WinRAR, WinAce, WinZip and more.Third-party application temp files and recent file lists (MRUs).Recycle Bin, Temporary files and Log files.Internet Explorer Cache, History, Cookies, Index.dat.For advanced users, CCleaner also comes with a registry scanner that scans for invalid references. CCleaner removes unused and temporary files from your system - allowing it to run faster, more efficiently and giving you more hard disk space.