Loading Screen - Crash...

Hello...
I have big problem. When I Trying to run any Mu Online, I see Loading Screen and then, my mu online crashes. No errors, nothing, just mu window(I mean game) disappears. I just can't explain :D
I press Start Mu Online> I See Loading Screen and nothing else > WTF? It Disappeared!

...post the image here..and explain properly what is ur problem.,.

I have this problem too i start mu-online loading screen loads and then black screen.. no errors Plz Help :(

EDIT:
Fixed.... My Windows Was Lagged In One File So Any Game Couldn't Start :D