Windows maintains this database and stores settings and information about your hardware and software. All the changes which are made to the pc are stored as keys in the registry. From the moment you start the Windows operating system it will read and add registry settings about your hardware and software. Each time software is installed or uninstalled entries are changed or removed. Unfortunately these entries in the registry are not removed properly causing problems in performance or failures like system errors. Due to the adding and removing of hardware and/or software to the system the registry increases in size and it takes more time for Windows to read the registry. With the registry cleaning software you can successfully purge these entries from the registry getting better performance and a smooth running pc. As you continue to install and uninstall applications, create program shortcuts, and even browse the Web, new keys and entries start clogging up the ...