With the last 2 or 3 updates, the app won’t allow me to save changes. An error message pops up saying I can’t save the change, and then it lists a path.)
I’ve had to reinstall older versions to use it.
What has happened? What has changed in the process of saving changes to files?
Helpful information also includes the Mp3tag and Windows version numbers and what files types you're working with. This way it's easier to know where to start helping.
Let us also see a screenshot from the error message.