It's a known issue with WD, assuming you are saying it is temporarily freezing up when you are making modifications. Since WD is still running and processing data while you are making changes, during certain processes it appears to be freezing up, but it's not really freezing up, it's just not allowing you to edit while that process is running. After several seconds, sometimes a bit longer, it will allow you to continue what you are doing. It's annoying but that is how it functions.