How are you getting the message about ‘no audio devices found’? If it’s from another device then it appears as though your Ethernet connection is OK.
Sounds like a corrupted library.
You should wait for support to have their say. They’ll probably be along today.
You can speed things up by telling support about your system. Follow the directions here.
You don’t need to make a new thread, just add a post in this thread.
Yes