A conflict resolution apparatus automatically updates an application conflict rule specifying a conflict condition among applications when a device is installed or uninstalled. An application conflict rule storage section stores the application conflict rule. An application executing section determines, based on the application conflict rule, conflicts among a plurality of applications and executes at least one application in accordance with a result of the determination. An application conflict rule updating section updates the application conflict rule in accordance with a change of the conflict condition among the plurality of applications when a resource of the conflict resolution apparatus is changed.