To sort this, All you need to do is follow thse steps.
1. Download Ultrasurf.
2. Run Ultrasurf.
3. Open TruckersMP in Administrator Mode.
4. Install the available updates (only the first run with Ultrasurf), wait for it to finish and Launch button appears.
5. Exit Ultrasurf.
You can also find answers to common problems over at
or
and here. https://forum.truckersmp.com/index.php?/forum/142-solutions/
Hopefully this helped and if it did not, The best bet would to file a support ticket over at https://support.truckersmp.com/