promise of destruction bug

it is not the mouse not working bug. i have had that and was able to use number buttons on the keyboard this one goes like:

start conversation --> first wheel choose option [works fine, mouse and kyboard] -> conversation continues -> a black loading screen with the green inquisition icon comes up while the conversation is still going on -> we get to the second wheel, but it is still in the load screen. so both mouse and keyboard do not work.

hope that is more descriptive of my problem.

thanks