: Developers occasionally track desync issues by automatically uploading replays to your Workshop account. The game tries to validate these even if you never manually subscribed to a mod. Overlay Conflicts
If you’ve tried the above and it’s still stuck, check: aoe2 validating subscriptions
Before you resign and uninstall, try these steps in order of ease and effectiveness. check: Before you resign and uninstall
If the issue persists every time you launch, follow these deeper troubleshooting steps: follow these deeper troubleshooting steps: