Right-click the game in Steam, select Properties , and add -nomods to the Launch Options to disable mod syncing entirely.
If you are stuck on this screen, try these immediate workarounds: aoe2 validating subscriptions
It ensures your account has the necessary permissions for multiplayer gameplay. Quick Fixes to Get Back in the Game Right-click the game in Steam, select Properties ,
Here is a comprehensive guide to understanding and fixing this issue. Right-click the game in Steam
Press Ctrl + C to skip the validation screen and enter the main menu. Some players also report success by spamming the spacebar or hitting Enter .