UFlySoft Registry Cleaner UFlySoft Registry Cleaner is the powerful combination of registry cleaner and system optimizer for Windows. By cleaning registry errors, removing junk files, running a registry defragmentation and system optimization, it can effectively speed up your PC and protect it from crashes, slowdown and errors. Make registry cleanup and system maintenance easier than ever! Key Features of UFlySoft Registry Cleaner Registry Cleaner Clean up registry: free up disk space by scanning and cleaning registry errors and invalid shortcuts. 1-click restore: automatically backup each registry change and enable you to restore by 1 single click. System Optimizer Optimize system: Automatically adjust registry parameters like Windows menus, network settings, services and memory, enable you to optimize system and Internet performance by simple mouse clicks. System tools: Provide you with quick access to built-in system tools like Registry Editor, Disk Cleanup, etc.