An object of this invention is to perform optimal printing settings considering the features of the output method of a virtual printer in a system which performs printing processing using a plurality of printers. In a group printer driver UI (12), printing settings are done for items which are common between all printers concerning “redirect on error” printing, and each printer is assigned with the priority of a redirect destination candidate in “redirect on error” printing. A printer driver UI (16) for printing settings unique to a printer designated to the highest priority is displayed in a window together with the display of the group printer driver UI (12).