Koudelka- .img is corupt

hey my decompressor is Win war i have version 3.71 other iso from the site work, i have downloaded this twice so download coruption wont work i also i Used both the (European sever ) a couple weeks ago) and the NA one (last night) pleases help

Download using a different method, manager etc.

Tested and working fine on server. Nothing we can do about it.

Thank you ill try that
and i understand i just wanted to make sure about the server side