SU doesn't recognize internet connection when adding classic license to 2nd computer

[Anssi]

See, for instance, this thread:

SU 2018 no internet connection error

This issue was mentioned already - but I got this Problems since a few month now. At first I ignored it and used the 3D Warehouse in the browser. However now I need my extensions and they don’t run either. Problem: SU2018 has no internet Connection. I and my Admin we tried everything that is mentioned on the net. To sum it up SU2018 pro is the only Programme that has this issue SU2018 is in the list of free access in the security settings the same Problem when online via router or build in …