When using Bay ROES under Mac OS X and dragging multiple image files into a single product (such as proof prints, to add all the images at once), the following dialog will appear:

After clicking Yes, the interface may appear to freeze or stall. However, the application is indeed running. To make ROES add the images to the order, press the Enter or Return key on the keyboard, and the adding process will begin. If you wish to cancel the process, press the Esc key instead of Enter/Return.
After clicking Yes, the interface may appear to freeze or stall. However, the application is indeed running. To make ROES add the images to the order, press the Enter or Return key on the keyboard, and the adding process will begin. If you wish to cancel the process, press the Esc key instead of Enter/Return.