I want to play Zero Hour with a friend, we both have it via The First Decade. However, I cannot connect to anyone. I always receive "Waiting for probe response" and then "connection failure". I installed the game normally, installed it as admin and in compatibility mode for XP with sp3 and I also switched my pc to DMZ in the router settings. I am using Windows 7 64-Bit with firewall turned off and I don't know what more I can do.
edit: The diagnostic tool shows me this:
Edited by Honigdachs, 25 December 2017 - 04:19 PM.