nvalid dll file. -> Need to get original file

good morning guys, i'm having a hard time
launching my mazey flyff. I tried all the possible options like you said
in the other topics.

I updated my directx but still it doesnt work
I added the flyff in the firewall exception list and still doesnt work
I deleted the neuz file and repatch but still doesnt work
I downloded Ired's dlls and files but still doesnt work
i deleted the log contents file but still doesnt work
i redownload the flyff in mediafire,mega and the other mirror
but still it doesnt work
i deleted the maze1, maze2, and maze and repatch but still doesnt work

pls guys help me to solve this problem
i want to play mazey flyff so badly https://2img.net/u/2517/60/10/52/smiles/2841175569.gif