So! i tried on windows mode, it works ... BUT: the window is bad as fu**
1: The window is little, i can't fullscreen (if i accept the option fullscreen, the 'border' of the game, for mooving on the map is the same as if it was the window's mode ... totaly unplayable)
2: Unless if i try to go on 1600X900 (window's mode) Every other rendering are windowed.
3: Because i have to launch on 1600X900, everything is very little and it's even harder to play xD Usually, i'm playing on 1024X768 ... and it already was a bit little (but easier to play due to mousse speed ...) So now every units are ... invisible maybe? xD No it's a joke but i can travel the whole map with only two screens, it can be usefull for hard-long strategy, but for the micro-managements it's just impossible :/
At last, the total black screen has disappear ...