hello need crack help

hello i try to crack that .exe but it wont work i dun why ,while i'm change every thing BF and perfix could some one help me and tell me what's wrong with that
here's the .exe if you cracked it upload the unprotected one

Thanks

Best regards

$-Tiger-$

lmao.. when i read the thread's title i thought the dude was actually looking to buy crack

hmmm :D if you could help me for free, that would be better