We’ve had this same issue since MacOS15 and downloading the latest Dadman Software. The only fix we’ve found is every time we turn on the computer, we reinstall the Dadman software. We have the installer permanently on the desktop to make this easier. Thinking it could be related to the other issues Dadman seem to be having with MacOS 15 according to this page on their download centre. https://www.digitalaudiosupport.com/is-dadman-compatible-with-macos-15-sequoia/