The Windows registry is a database repository for information about a computer's configuration. The registry keep growing when you use Windows. As it does so, it attracts obsolete and unnecessary information, and gradually becomes cluttered and fragmented. With the growing of the registry, it can degrade the performance of the whole system and cause many weird software problems Quemix Registry Cleaner allows you to fix your registry and optimize your PCs performance. The program uses a highly intelligent engine to scan your computers registry for invalid registry entries including many that are often left behind from software installations. With the click of a button, you are able to repair or remove registry entries that refer to a file or folder that has been moved or deleted. The program You can also scan and remove invalid software data and Start menu data from the registry.