Originally Posted by Miah
suddenly i cannot access anything, mouse still working, still getting the object info, music still going, but i can't do anything : no access to menu, can't save, can't load, can't move, juste staying here helpless... one solution, force to quit the game...

I read about something like that somewhere with the tutorial boss. To fix the problem the affected people had to disable tutorial messages in the game options. Maybe you could try that.