...It clears up a lot of space without impacting performance or use on many servers and desktops that it has been used on. That being said, it deletes a lot of files! Read through the sourcecode (Module1.vbs) to see what all it clears up.
This project is an attempt to create a wrapper between filesystem code for one operating system and compile it for another. For example, a Linux filesystem driver could work natively in Windows if the project goes as planned.