Best Answer WHYS0T0XIC, 20 April 2019 - 08:46 PM
Okay. So, I deleted the game (including all "my documents" files) and reinstalled the game. Patched it than with the Ultimate Collection Launcher and afterwards with GenTool.
Seems to work now! :-) The left bottom corner says now "Normal game installed" or something and I can join to the multiplayer servers..
Maybe this post might help other peoples with the same issue.
Cya ingame, buddies!
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