Great that did the trick, almost Both the scenario and the campaign can now start up, but both freezes and crash the game a few minutes into the game. I again have to restart my PC before I can do anything on it. I have added a new Output.log file. Maybe you can see what is wrong now.
Hi I have the exact same problem. I have the game on Steam, fully updated. When I try to launch Battle of Britain campaign or any scenario the game freezes and only a restart of the PC makes it possible to even use my PC. I have installed the game on both my laptop and desktop with the same result ...