. Restart your PC, then log back into both and launch the game. Refresh Gaming Services : Uninstall and reinstall Xbox and Gaming Services through your system settings, then reboot. Age of Empires Support General Technical Fixes
A single corrupted visual mod can trigger "Tampering Detected." age of empires 2 definitive edition tampering detected fixed
"Tampering detected" - II - Discussion - Age of Empires Forum . Restart your PC