Problem with battles in COW, need help !

Hello everybody, as you can imagine i'm in trouble with the Kingdom mod "Rage of the dark gods" also known as "Call of warhammer" mod.
My problem might be quite hard to fix 'cause i've been through a lot of troubles.
I've already visit this forum a hundred times in search of a patch or something to fix this problem but i couldn't find anything so I dicided to act and here I am.
The problem is that I can't do any battle in real time in this mod, everytime I try to fight an enemy army and no matter the faction I use, the game crash every single time ! The loading screen appears, the game start to load and It crash. I can't start a battle, it's impossible.
After the crash this message appears on my screen "unspeciefied error. The game will now exit."
I first though it was the "Siege" problem i heard about but then I tryed several times to do a battle without any siege weapon or even no siege battle at all, it didn't changed anything.
I installed this mod on my two computers, my PC and my laptop, my first one uses window XP and my second one windows 8. I run the mod under steam, if it can help you find the problem.

Beging is not my type but please, I beg you, help me ! I really want to play this game, I'm a huge fan of Warhammer since 2002 and I can't wait to play !

Check here:
http://www.twcenter.net/forums/forumdisplay.php?f=1387

Can't say what the problem is, sounds faulty installation of the mod, or medieval 2, or kingdoms.

Thanks but I've already seen this, sounds like my problem but the patches didn't change anything. That is really strange because I've installed succesfully every ohter mods like Westeros total waof Third age...

Perhaps you should try to lower your graphics config, at least that worked for me. Especially for big battles.