The game is not responding

In order to investigate this further, we will need more information. Could you please provide us with your DxDiag and client_log.txt files. You can generate your DxDiag by following the steps here: http://support.kleientertainment.com/customer/portal/articles/2503104-how-can-i-find-my-dxdiag-file

And you can find your client_log.txt file in your documents folder at Documents\Klei\DoNotStarveTogether\client_log.txt