The .auz file (Authorization File) is a specific document generated by Ableton’s server that acts as a digital "key" for your specific computer. Here is the technical breakdown:
To understand why you need this file, you must understand how Ableton manages software licensing. Unlike some software that uses a simple serial key entered into a text box, Ableton uses a file-based licensing system. Ableton Live 11 Authorize.auz File Download Mac
The .auz file association might be broken, or Live is not installed in the default /Applications folder. Ableton Live 11 Authorize.auz File Download Mac