System - Temp files, Font and DNS Cache, Start Menu and Desktop shortcuts, Windows Log files and Error Reporting, Chkdsk File Fragments, Memory Dump Files, and more.Īdvanced Cleaning Options - Custom Files and Folders, Old Windows Installation, IIS Log Files, Window Size/Location Cache, Prefetch data, Event Logs, and more. Windows Explorer - Recent docs, Thumbnail Cache, Jump LIsts, MRUs, Network Passwords, and more. Internet Explorer - Remove Temporary Internet Files, History, Saved Passwords, Autocomplete Form History, Index.dat, Cookies, and more. The Windows section category includes cleaning options for Internet Explorer, Windows Explorer, System, and Advanced Cleaning features. The program features an intuitive interface allowing you to quickly view the various sections and file types you want to remove. Not only will this free up valuable hard drive space, you'll also notice a significant increase in performance and speed. Quickly remove all junk, temp, and unnecessary files from your computer. CCleaner is the most popular system cleaner and computer optimizer designed to keep your PC clean and running at optimum speeds.