If you have this checked, any changes you have made to the DeskTop will not be saved when you use DT Launch. Un-Checking this lets the Finder update the DeskTop and then the launch continues. There is no real difference in time it takes for a file to be launched.
-- part contents for card part 3
----- text -----
On International Systems, certain Menu Items are not the same. On this screen, you can change them to what your International System uses.
-- part contents for card part 6
----- text -----
Having this checked when you launch something with DT-Launch will keep you at the same folder/level in the hiearchy the Application/Document is in.