Well if the level is really that huge memory consuming, I'm not surprised that I cannot move and the engine freezes because, remember, I have a Radeon 7000 installed currently Executing the setup file was in fact my missing point with the first problem, after the installation the game started normal. Sorry that I cannot help you any further, but I guess my hardware is too limited for this task.
Executing the setup file was in fact my missing point with the first problem, after the installation the game started normal.
