Windows and 3rd-party programs often record logs of their operations, which can clog up your hard disk over time. This includes, for example, the font cache used by Windows Presentation Foundation (WPF) programs and the bitmap cache of the remote desktop application. These are temporary files that are left on your disk by programs and Windows. Disk Cleaner cleans up Microsoft Installer (MSI) leftovers safely and reliably. Just by their installation, programs leave behind a lot of temporary files that clog up your hard disk. Unfortunately, in most cases, these files do not contain usable data since the original information can often not be restored. This recovery data is saved as new files on your hard disk. Whenever a program crashes, Windows generates a report that contains information regarding the nature of the crash.ĭisk repair utilities (such as Microsoft’s very own Chkdsk) detect bad clusters and try to restore the damaged data. Windows produces memory dumps containing relevant analytical information every time your PC crashes. Disk Cleaner removes unwanted clutter from over 200 programs and Windows.