Thanks for your detailed answer.
In other words, that sound promising what you describe and version 5.0. I will upgrade within a short period, but I like to see version 5.x (the classic bugfix) to show up first.
So I am eagerly awaiting your answer regarding navigating subfolders in version 4.2 while "editor.Allowupload = false" in the meantime.
Thanks again for your good answer.
regards
nisse