Dear Maplers,Below is a guide on how to replace your Hackshield Folder.
1) Search for your Maplestory Folder, its usually located at: C:\Program Files\Wizet\MapleStorySEA\HShield
2) Proceed with deleting this folder.
3) Download the file as mentioned, for example, for v1.40, you can download via the following link: v1.39 Hackshield
4) After downloading the rar file, open the folder and proceed to extract the folder (select “Extract Here”).
5) After extracting the folder, copy and paste this folder into your MapleStorySEA folder.
6) Run the manual / auto patch again.
-MapleSEA Administrator