Auslogics Registry Cleaner is a good choice for home users who have some familiarity with the Windows Registry. This no-nonsense application performs quickly and reliably, with good backup and restore features combined with user guidance. Registry Cleaner will clean, repair and optimize your Windows registry to eliminate errors and crashes, and to restore smooth and stable operation, so your PC will stop giving you headaches and be usable once again.
It may not be any of your fault, since oftentimes the reason is poorly written software code that does not ensure clean uninstalls. Auslogics Registry Cleaner is the best tool to clean out registry keys left by uninstalled applications.