RootRelativeBundlePath Applications/Background Music.app BundleHasStrictIdentifier BundleIsRelocatable BundleIsVersionChecked BundleOverwriteAction upgrade RootRelativeBundlePath Library/Audio/Plug-Ins/HAL/Background Music Device.driver BundleHasStrictIdentifier BundleIsRelocatable BundleIsVersionChecked BundleOverwriteAction upgrade