I solved this myselfe. Since no google search showed this, if you get "Script not found: utorrent-postprocess" it's because you have used an old guide or how to. Use fn:amc and not fn:utorrent-postprocess.

Hello! I have made a script named cleanupscript.bat. I run windows 10 on a Samsung laptop. I use Filebot version 4.7 and the latest Java update. My script look like this: filebot.launcher -script fn:utorrent-postprocess "C:\Users\gogst\Downloads\complete" --action copy --conflict skip -non-strict ...