The community is also a great place to check out. Try these places for help from other users:
Call of Duty: Ghosts requires a 64-bit operating system and hardware. Ensure that you meet the game's minimum system requirements before purchasing this title.
If you're encountering issues with launching or playing Call of Duty: Ghosts, make sure everything installed correctly.
Exit Steam entirely.
Browse to your Call of Duty: Ghosts installation folder (Usually C:\Program Files\Steam\steamapps\common\Call of Duty: Ghosts\)
Run the following installers:
Reboot your computer and test the issue again. If the issue persists, you will need to contact Call of Duty: Ghosts Support.
If your game is crashing, ensure that the game is configured correctly for the hardware that you are using. Set all video options to their lowest possible setting and test the issue again. If the game plays without crashing, you can systematically increase your video options one-by-one until you locate the option(s) that cause the crash.
If you are unable to locate the cause of your crash with this method, contact Call of Duty: Ghosts Support to troubleshoot the issue further.
If the above does not resolve the issue and you are running Windows 7, Windows 8, or Windows Vista, please complete the instructions in our Windows 7, Windows 8, and Vista Troubleshooting FAQ.