Here you can see another bug that i was reporting with no success because there was no video to prove what is going on while it is happening and how exactly. So basically when you go to Inventory and try to join randomly picked friend then you will see joining game room message which after that circle immediately will stop spinning and game will be freezes as well as whole operating system except one small option that i have found but it is really annoying. So if you try for example ctrl+shift+esc that should take you to task manager but No, nothing is happening this time, alt+ctrl+del is working but again you can not run task manager from there. Of course when you trying to switch tabs pressing alt+tab combinations you will see all processes and windows open but you can not switch between them.

Resolution that i have found is to logout of system and log back in again, other than that you can restart system which is basically similar to that.

This is not happening every time but nearly every time so there has to be some factor that makes it happen.