Desktop app doesn't open on Mac?
First of all, make sure to download the latest version of the app.
1. Delete library file ( how can I do it?)
2. Remove Musixmatch cookies in Safari
3. In System Security Panel uncheck allow iTunes to Control Computer From Security and Privacy Window
4. Delete Musixmatch from Security and Privacy Window
5. Add Musixmatch on Security and Privacy Window
6. Allow Musixmatch to control your computer
Does the issue still persist? Please contact us sending an email to firstname.lastname@example.org