You may find forum threads advising you to bypass the launcher entirely by editing launch options in Steam to launch the .exe file directly.
Proceed with caution. While this works for the original HD Edition, the Definitive Edition relies heavily on the launcher for mod management and cloud saves. Bypassing it can cause your mods to stop aoe2 validating subscriptions
The "AOE2 Validating Subscriptions" error is a classic case of modern online gaming clashing with legacy architecture. While the original Age of Kings loaded instantly from a CD, the Definitive Edition relies on a complex chain of digital rights management. You may find forum threads advising you to
The good news is that your game file is rarely corrupted. The problem lives in the handshake between your PC and Microsoft’s servers. By clearing your credential cache, resetting your Windows Store, and ensuring your ports are open, you will bypass that grey box and return to where you belong: clicking Huns in the Dark Age. The "AOE2 Validating Subscriptions" error is a classic
Wololo. Now go fix that connection.
Windows stores your login tokens for apps. If the token for "Xbox Live" or "Microsoft Store" expires or corrupts, the game tries to validate your subscription, finds a bad ID, and sits there waiting for a timeout that never comes.