Windows Defender Firewall blocks the game or the Nexus Mod Manager from accessing the server.ini files are not configured properly inside the data folder. What causes nexus mod not working Fallout 4? After investigating many user reports and articles, we summarize the following possible causes behind the Fallout 4 issue. However, a lot of users encounter Fallout 4 mods not working when using Nexus Mode Manager on the game. Now, many mods for Fallout 4 has been available.
Nexus Mod Manager is a free and open software that enables you to download, tweak, and save your games.
