If you are experiencing authorisation issues while using products from MuseHub, please follow this guide to help resolve these issues.

1. Ensure MuseHub is running

MuseHub desktop application must be running in the background for some of our partner apps and plugins to work correctly. Please launch MuseHub, then try access the app / plugin again.

2. Ensure MuseHub is up to date

We frequently release updates and improvements to MuseHub and MuseSounds Manager, in particular after our July 2025 outage, you must ensure you're using at least the following versions of our software.

Windows: 2.3.8+

macOS: 2.2.5+

Linux: 2.0.4+

To find what version of MuseHub you are running, follow the steps for your platform.

Windows: Launch MuseHub, click on the "Settings" tab, and scroll to the bottom.

macOS: Launch MuseHub, click on "MuseHub" on the macOS menu bar, and click "About"

Linux: Launch MuseSounds Manager, click on the settings icon on the top right of the window, and scroll to the bottom.

If you are running an older version, simply download the latest version from these links below:

Windows (x64)

macOS (Universal)

Linux (x64 DEB) / Linux (x64 RPM) / Linux (x64 TAR)

3. Check you are signed in

Launch MuseHub and check that you are signed in. Make sure the product appears under the "Library" tab. If you do not see the product there, make sure you are signed in with the correct account.

4. Check Device Registration Status

Visit https://www.musehub.com/account/devices and sign in to your MuseHub account, you can only have 5 devices active at any time. If you have 5 devices, try removing some, and then restart MuseHub.

5. Restart MuseHub

Quit any software that is using MuseHub products (Such as Audacity or MuseScore Studio)
Log out of your MuseHub
Quit MuseHub
Reopen MuseHub
Log back into your account

Try to open your product again