Here the same. After last update, audio isn't working after TV was off.
I always have to restart the Chromecast (with Google TV), after restart
audio works.
It seems they fix that Error. There was a little Update for the 'Google
for Android' App. I installed it, restarted my Router and Chromecast,
then the Media Library was back.
Hi. My Dad also had that Problem like you and me. He resolved the issue
while changing the Network connection to another Network. You can make a
Hotspot with your Mobilephone? Delete your Network Connection on the
Chromecast and connect to the Hotspo...