Smart PC Privacy Cleaner Pro - Version 4.6.6 Smart PC Privacy Cleaner Pro performed very well in our tests, responding quickly and executing its commands in a very short period of time. It was easy to use, making it a great tool for novices and experienced users. We liked that Smart PC Privacy Cleaner Pro had an option for backing up the Registry before cleaning and had flexible options for scheduling cleanings, cleaning on start-up, and shutting down or restarting your system after cleaning. At the core of your PC's operating system is the Windows registry, a collection of entries for every hardware and software component installed on your computer. Created every time a component is added or changed, registry entries capture vital information and settings that help your system operate smoothly. Over time, as more and more components and applications are installed, upgraded, or deleted, the Windows registry becomes congested with entries that may be obsolete or unnecessary. A clogged registry can lead to erratic system performance and a slower PC. Smart PC Privacy Cleaner Pro can completely remove