Oh, oh alzheimer light. It is the second time i trapped with this window. In my firefox this window is to small. So i can not see the status checkbox.
No check -> no pre-boot-script -> no copied files -> ???
All works fine. It is a pleasure now to work with ZS. So lots of thank to all developers of this fine tool. Spezial thank to atheling for the fast and competent help.
I know that this is not self-evident and appreciate this.