Hello,
the "Run a command" button doesnt work in the following settings menus:
Preferences / Launching Opus / From the Desktop / Run a command
Preferences / Launching Opus / From the Taskbar icon / Run a command
Preferences / Launching Opus / From the Win + E hotkey / Run a command
Preferences / Launching Opus / Startup / Run a command
Directory Opus 13.10.1 (Beta) Build 9008 x64
OS 10.0 (B:19045 P:2 T:1) SP 0.0