[[420SS]RogueWolf]

OMG y'all i been playin SH fo a long time now.. and well i reformated and i tried to reinstall and then now i got it runnin but when i run SOME SH maps such as , brest, holland ...but i can still run gewitter i can see the loading screen for 1 secsond or a fraction of a second then it takes me to the main menu/.i see in console


************************************************** ********
ERROR:Clien/Server map cheksum mismatch : (then numbers depending on map)
************************************************** ********


PLEASE HELP!!!!!