[Digimaster]

I'm struggling to use the Command/Script/Batch playback mode.

As you've already been told, you did not specify a script to run (you select one from the options). So it tries to start a script with no file, followed by the framerate and the URL of the video. There's more info in the GitHub documents, you might need to check that out. 

I read the docs but, in Windows, it says "there is no need for a script file". Only Display Changer (dc64.exe) seems to be needed. In my case, it's in C:/, so this is my options window:




Where is the issue?

Thanks for your help.