Such type of entries which are pointing to a program which no longer exists is called unwanted entries. As I told you in the beginning of this article, that entry in the registry is made during the installation of a program, but it never get deleted by Windows even after uninstallation of a particular application. Since it fills with information, it takes memory space on your system and causes computer’s performance issues. Registry can contain hundreds or thousand entries, and over the period of time entries in this registry keeps created. Registry is nothing but collection of information in Windows which keeps important information about your system hard wares, configuration of application programs that are installed and settings.
