if that is for by passing the main.exe it supposed to be something like this
"C:\Ntreev USA\Grand Chase\main.exe" __kogstudios_original_service__"
just note the first and the last underscores are actually doubled
and make a shortcut for the main.exe because that is where your gonna edit the target if you still don't get it pls let me know but if it helped you pls click my thanks box pls
P.S pls watch you language use ingles/english pls i'm also a pinoy man