@joseph_1979 That's right, I didn't install any DirectX update. Client-version 8.12.1 dont't work with the javascript error after installation when trying to open - so I am not able to view anything. Version 8.8.5 works. That's it...
Do anybody knows when that will be fixed or when the next update is coming?

Are there any news?
I am new here and tryed to install the latest version 8.12.1 I guess - and get permanetly the javascript error after installation.