SOLVED: “Music.Library-ms” is no longer working

This was an easy one to fix.  All you need to do is delete the library file, add a new one and specify the folders that go into the library.

If you are seeing this:

then you should be:

1. opening COMPUTER
2. scrolling the left hand menu until you can see LIBRARIES
3. right clicking on the offending LIBRARY (in this case MUSIC)
4. then right clicking on some blank space and selecting NEW > LIBRARY
5. name it MUSIC
6. then right click on that library and select PROPERTIES
7. click the ADD button and set your music folder (like C:\USERS\<your-name>\MUSIC
8. select MUSIC from the OPTIMIZE THIS LIBARY FOR drop down and click OK
9. Have a nice day!