Thanks for testing! A new version 1.66.1 was uploaded, with the reproducible issues fixed:

http://opserver.de/down/Zorro_166.exe

- New script: Now opens the editor
- Change Folder: Fixed.
- ALLCYCLES: No problem found, please contact Support.
- .par files missing: Now included.
- Training gives error: No problem found, please contact Support.
- Download M1: ???