CleanMyPC Registry Cleaner - Version 4.03 CleanMyPC Registry Cleaner is a Windows utility that can safely identify and repair registry problems. The Windows registry is the central database of all critical information about a computer's software and hardware. Over time, it becomes cluttered and inaccurate, causing your computer to run more slowly. The registry degrades each time hardware drivers are corrupted, when software is incorrectly removed from the system, when invalid program shortcuts are left on your hard drive, or when dozens of other problems occur in daily computing. CleanMyPC checks the integrity of every section of your Windows registry, from application path keys and Windows font keys, to ActiveX keys and shared DLL keys. CleanMyPC Registry Cleaner fixes all of these problems, and makes your computer faster and more stable.CleanMyPC Registry Cleaner defragments the registry after it removes unnecessary data, allowing your