It seems, that the param /LANG=de ist only working for the GUI setup. I tried to install the application with powershell and the help of de Inno Setup documenation an other forum informations.
Start-Process "pspad507_setup.exe" -ArgumentList '/VERYSILENT /NORESTART /LANG=de /TASKS="icons" /LOG="C:\Windows\Logs\Software\pspad507_install.log"' Without the /VERYSILENT it seems to start the Setup in german.:-| -- <https://forum.pspad.com/read.php?2,79286,79286> PSPad freeware editor https://www.pspad.com
