PC TuneUp Maestro is a registry cleaning and performance tuning software that scans you system for invalid registry keys and allows you to repair them. In addition to registry cleaning, the program can apply several common performance tweaks that can help optimize your system for better performance. Other features include registry compression, a startup manager and a build-in scheduler to automate registry cleaning.PC TuneUp Maestro also offers easy access to several Windows features such as Disk Defrag, Hard Drive Cleanup, Resource Monitor, System Information and other standard tools.