Scroll down to and click Add or remove exclusions . Click Add an exclusion and choose Folder . Select the main installation directory of your game:
The game contains an integrated anti-cheat and anti-tamper loader. When the loader scans active memory and identifies an untrusted process hooking into the application, it throws the flag. Common culprits include:
A red error box slams your screen:
The error arises when the game’s executable or core data files do not match expected signatures. Common triggers:
Are you experiencing this error or randomly during multiplayer matches? age of empires 2 definitive edition tampering detected fixed
Close the game and in Steam (Properties > Installed Files > Verify Integrity). Restart the game and relink your Xbox profile. 3. Advanced Troubleshooting
April 12, 2026 Software: Age of Empires II: Definitive Edition (Steam / Microsoft Store) Issue: Game displays “Tampering Detected” and prevents multiplayer or ranked matchmaking. Scroll down to and click Add or remove exclusions
Third-party overlays can be mistaken for "tampering" tools. Try disabling:
Uninstall the game, delete all leftover folders in Documents/My Games/AoE2DE and AppData/Local/AoE2DE , then reinstall. When the loader scans active memory and identifies
Scroll down to and click Add or remove exclusions . Click Add an exclusion and choose Folder . Select the main installation directory of your game:
The game contains an integrated anti-cheat and anti-tamper loader. When the loader scans active memory and identifies an untrusted process hooking into the application, it throws the flag. Common culprits include:
A red error box slams your screen:
The error arises when the game’s executable or core data files do not match expected signatures. Common triggers:
Are you experiencing this error or randomly during multiplayer matches?
Close the game and in Steam (Properties > Installed Files > Verify Integrity). Restart the game and relink your Xbox profile. 3. Advanced Troubleshooting
April 12, 2026 Software: Age of Empires II: Definitive Edition (Steam / Microsoft Store) Issue: Game displays “Tampering Detected” and prevents multiplayer or ranked matchmaking.
Third-party overlays can be mistaken for "tampering" tools. Try disabling:
Uninstall the game, delete all leftover folders in Documents/My Games/AoE2DE and AppData/Local/AoE2DE , then reinstall.