Clean your computer's registry
Problem: Your computer's operating system registry is a database that stores and configures information about system programs and third-party applications. If you're experiencing serious PC problems such as your computer slowing down, crashing, or freezing while using Windows, you may need to clean, optimize and reduce the size of your PC's system registry.
Solution: The system registry is a very sensitive part of your computer and should be modified with caution. The best way to clean and optimize your computer's registry for better performance is to use a trusted registry cleaner and optimizer to defrag and compact your system registry.