Last update: 01 Feb 11:52 UTC
This error happens when you aren't running Steam as administrator and/or lacks permissions to run correctly. The solution is to run Steam and our launcher as administrator:
- Desktop> Steam> Right click> Properties> Compatibility> Run this program as administrator
- Desktop> TruckersMP> Right click> Properties> Compatibility> Run this program as administrator
This way, this problem should be solved!
This problem can also occur if you try to start TruckersMP although Steam is still closed. Please make sure Steam is already running in the background if you start ETS 2 MP.