Free Cleaner is an all-in-one free Windows system cleaner software to clean up Windows system, boost performance and prevent registry corruption.

Clean Windows Registry:

• Clean Invalid ActiveX, OLE, COM Section - Entries remaining after deleted or moved ActiveX, OLE, COM.
• Clean Invalid Application Folders - Registry entries containing references to nonexistent files or folders.
• Clean Invalid Auto Run Section - Invalid Registry keys with auto-start programs.
• Clean Invalid Classes Section - Registry classes entries containing references to nonexistent files or folders.
• Clean Invalid File Associations - File types and extensions incorrectly registered in the system.
• Clean Invalid Fonts - Invalid records of installed fonts. Fonts section contains the list of fonts that are registered in the fonts folder of the Windows operating system.
• Clean Invalid Help Files - Invalid records of help files registered in the system.
• Clean Invalid Shared Dynamic Link Libraries - Entries remaining after deleted or moved common DLL files, removed applications.
• Clean Invalid Software Settings - Empty registry keys remaining after removed programs. Entries that do not contain any values.
• Clean Invalid System Services - Registry system entries containing references to nonexistent files or folders.
• Clean Invalid Uninstallers- Entries remaining if software removal was not conducted via the 'Add or Remove Programs' facility (for example, if a program was removed from the system by deleting the actual program installation folder through Windows Explorer),
• Clean Obsolete Start Menu Items - Entries remaining after deleted or moved shortcuts from the Start Menu.