Did you follow the guidance below?
If you are using Intel® UHD graphic adapters, please follow the instructions in this article to make sure you have the correct driver version installed.
Being that you are using a NUC that probably applies to you.
We have had issues sometimes on start up where SoundGrid will change the default network adapter and we are sitting there for 5 minutes wondering why we don’t have sound, but we have not experienced drop outs yet.