MusicReader on Mac OS Catalina 10.5

In Mac OS Catalina 10.15 many things changed that make that MusicReader PDF 4 can have problems.
In this article we show two ways to fix this and make everything work again.

First option is to upgrade to the new MusicReader.
That one works best under Catalina.
More info on the upgrade check this website:

Want to keep using MR PDF 4 for now on Catalina?
For that we also found a way to make it work.
Follow the tutorial below to get working again:

There may also be problems with license installation.
Please follow these steps to install license.lic file:
  1. Please go to Finder
  2. Press GO in the menu and select Go to Folder
  3. Enter ~/Library/Application Support/MusicReaderPDF/License/
  4. Copy the license in that folder, overwrite existing license.lic file.

Article ID: 103
Created On: Wed, Oct 16, 2019 at 11:07 PM
Last Updated On: Wed, Oct 30, 2019 at 2:58 PM
Authored by: Marco Leoné []

Online URL: