How to solve desktop app issues?
For any kind of problem, firstly you have to clean your cache.
1- Log-out and close the desktop app by tapping on "Quit Musixmatch" (right mouse button on the Musixmatch icon).
If the problem still persists, please read the following FAQ.
Close the login window and open it again.
It's a problem that we're currently solving. We apologize for the inconvenience.
The app doesn't work. I have an error message "CLR error 80004005". How can I fix it?
It is a system problem not related to our App.
An application installed on the end user machine messed up some Windows components (.NET framework in this case).
Please try if that link works.
But since we do not know why it happened (maybe some old software, or unofficial pc cleaning sw, or a cracked app etc…), the best is to “refresh the PC without losing documents and personal data” as explained here.