Instantly make your Windows run faster and smoother, by disabling certain features which have no useful function and by modifying a few key aspects of the system's behavior. Automatically clean your Windows registry from obsolete and unneeded data. Automatically fix many kinds of registry errors, such as broken file references. Easily uninstall leftover traces of software you thought you had already uninstalled ages ago. Detect and remove unneeded history data and MRU (most recently used) lists that can contain sensitive information about you. Locate and delete unneeded files, including temp files and duplicate files.