another kwr problem

i had a problem with korean warrock about 4 months ago, but i fixed that and it worked for a few days, got to level 2. now i got another.. i can wipe the screen black with the error message, and after that one it doesit for a few more files, including the bettras and teargas. help me please?

your file(s) is/are corrupted...
reinstall the game... and the loading screen shouldn't look like that...

after reinstalling, the screen looks like this