DJ hi, is this the one? if not sorry
To display simple folder view in the Windows Explorer Folders list
Open Folder Options in Control Panel.
Click Start, and then click Control Panel.
Double-click Folder Options.
On the View tab, select the Display simple folder view in Explorer's Folders list check box.
Notes
Simple folder view displays all the folder contents and the subfolders within that folder. When you click a folder, all other folders are automatically closed.
To display multiple open folders, click the plus or minus sign next to the folder instead of clicking the folder itself.
Hookstar