How can I sort the name to get folders to be at the top , and then files after that ? I think I was able to do that before, but now with the current version (windows paltform) (2.0.0.2) I could not do it!!!

If I click the option "Sort by name" nothing happens. Please see the link below :
http://img48.imageshack.us/img48/4782/sortnamejy1.jpg




The extension that i have got are these :
http://img341.imageshack.us/img341/2668/ex...ihavegotee6.jpg



Regards