Let me guess... you've put some variable in the path of the folder, like the filename itself!? Or $SHEET$ Hence it prompts you to create a DIFFERENT (Unique) folder for each file?
Something like below perhaps?
$FILEPATH-2$$SHEET$
Let me see what I can do... I'm using standard dialog boxes, so it might take some recoding rather than a quick fix...
The only reason I see that I would not want a folder created would be if I made a mistake
So...your "Yes to all", and "No to All" would probably be all that's needed.
As I wrote earlier... I could just hold down the N or Y key. That would leave the option open to create some but not all, (not that I would ever get that crazy )
Mike Fischer Fischer Design Group, LLC Building Model Coordination - Steel Detailing - Connection Design www.FischerDesignGroup.com