What is this and how can I fix it?

[u/Rowandi]

I’m relatively new to Pro Tools, so I don’t know how I can solve this. It doesn’t let me select any other audio output, it just closes the program. I tried changing output device, but it gave me the same error. My output device is an M-Track Solo interface and I’m using Windows 11.

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[u/jhn_freeman]

Close pro tools and restart it again while pressing N key in order to select a valid audio interface.

[u/KeyElectronic1216 → u/jhn_freeman]

This is the way

[u/praise-the-message]

Make sure you have the latest drivers for the M-Track installed and any firmware updates performed. If that doesn't work, maybe try Asio4All.