Ensure your router and firewall allow UDP 7586, 7587, and 7588 .
The activation server requires specific ports to be open. If your firewall blocks these, the "Checking..." message will stay on screen forever.
remains a favorite for flight sim fans, but encountering the "Checking activation code, please wait" message can be frustrating. This error typically occurs when the game’s older DRM (Digital Rights Management) system struggles to communicate with modern servers or when registry conflicts block the process. checking activation code please wait apache air assault hot
If the in-game prompt hangs indefinitely, the most reliable fix is to activate the game manually through the official Gaijin Entertainment Support portal. Log in to your account at the Gaijin Store .
If the hang eventually turns into an error saying you’ve exceeded activations, you must submit a support ticket to Gaijin. Include your activation key and a brief report. They can manually reset your limit, allowing you to reactivate the game on a new OS or hardware. Quick Fix Checklist Recommended Action Reset Windows proxy or use the Yuplay client. Invalid Key Manually activate at store.gaijin.net. Registry Conflict Delete the Gaijin\Keys folder in regedit . Apache: Air Assault Activation - Gaijin Support Ensure your router and firewall allow UDP 7586,
Navigate to: HKEY_CURRENT_USER\SOFTWARE\Gaijin\Apache Air Assault\Keys (or similar, depending on your version).
Restart the game; it should now prompt you for a clean activation. 3. Connection & Firewall Troubleshooting remains a favorite for flight sim fans, but
or the specific thread containing your serial number.