Hello,the new launcher seems to solve the problem,at least for ETS. I selected game path-updated the launcher again...and it works.
However i try to add ATS game path-the laucher force a update,which can´t be finished and locked the laucher to start for both games.So i selected a "fictional path" for ATS,the laucher updated again and it´s possible to start the new laucher again.
So basicly you can only play TMP for ETS...at least for me.
Thanks for the help so far,hope there will be a solution for both games to run properly.