A registry cleaner is a type of program for Microsoft Windows operating system designed to remove redundant or unwanted items from the Windows registry. The cleaner program attempts to remove unneeded or unwanted items from the registry.
Often registry cleaners are needed after using programs with poor uninstall features that leave unnecessary entries in Microsoft Windows registry. Some registry cleaners offer backup and restore functions that allow the user to revert changes made by the registry cleaner in case they are undesired.
Its a utility program that scans the Windows Registry and looks for outdated and invalid entries. Applications often create Registry entries for temporary data and pointers to other files, but never delete them. In addition, if folders are manually deleted by the user, Registry entries may point to files that do not exist. A Registry cleaner can be part of a package of system utilities or a stand-alone program.
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