No specific info about version 3.9. Please visit the main page of Simple PC Optimizer on Software Informer.
Optimizes Windows services for a smoother and more secure computer
Flash Optimizer is the most powerful SWF compressor available today.
It scans and repairs the Windows registry, hard disks, and startup applications.
Enhance your computers performance with Windsty System Optimizer.
Finds and repairs all the errors in your registry to keep your PC clean and safe
You can safely clean, repair and optimize the Windows registry.