If you're playing the Steam version, try these steps:
When you launch the game, the executable performs a three-step verification: call of duty 2 awaiting key code authorization
He was locked out of history by twenty missing letters and numbers. If you're playing the Steam version, try these
Your router's built-in firewall may be blocking the outbound authorization request. To fix this, log into your router's gateway administration panel and forward the following ports to your gaming PC's local IP address: Port Range 28960 - 28961 TCP & UDP 20500, 20510 If you're playing the Steam version