The beginning of Act 3

The beginning of Act 3
-Talk to Darruk.
When trying to start a dialog - goes into a perpetual loading without the ability to do anything but Alt+F4. At the next attempt to enter the code 2 kicks out and have to restart the launcher.
Tried at different difficulty levels, with 2 characters.
Please advise what can be done
Comments
I tried starting a conversation with all of them - with Khelit I succeeded and the cutscene started.
Next, the task “Talk to Tekrin”. We find, start talking and again endless loading : ”