help dragon nest sea

hi guys can you help me pls. i replaced my dragon nest exe and gpk coz i thought that dual client might work. now i cant enter dragon nest. if someone would be kind to upload their v73 dragon nest exe and gpk it will be greatly appreciated. tnx

TIP: Always make a copy of files you replace for such reasons as this.

I'd look around on google and find a trusted site to download the missing files you need. If it's not to be found here that is.