UMD Video discs ship an updater PARAM.SFO next to a 0-byte DATA.BIN, and PSN releases zero-fill it.
MountedDiscHasUpdater() only checked that DATA.BIN existed, so booting the EUR Video Demo Disc's
game with no firmware installed started an auto-install of "2.00" that failed with an OSD error.
It now wants a PSAR archive, like ReadBundledUpdateInfo() already did. The game info screen no
longer looks for an updater on UMD Video discs at all.
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>