user wants a long article about the "Age of Empires 2: Definitive Edition tampering detected" error and how to fix it. I need to follow the plan:

). This error can manifest at launch or randomly during ranked matches, causing frustrating disconnects. Essential Troubleshooting Steps

By following this guide—starting with verifying game files, then disabling NVIDIA overlays, then adjusting antivirus exclusions—you will almost certainly resolve the issue within ten minutes.

Launch the game in offline mode if possible, or navigate directly to your local mod folder.

If you utilize third-party antivirus software (such as Avast, Bitdefender, or Malwarebytes), open its control panel and add the same folder path to its global exceptions list.