Instead of downloading a new .exe, use Steam's "Verify Integrity of Game Files" to repair your existing one.
If you are playing on Steam, corrupted or missing files are the most common cause. Steam Library Right-click on Call of Duty: Ghosts Properties Installed Files (or Local Files). Verify integrity of game files 2. Update Visual C++ and DirectX call of duty ghosts iw6sp64shipexe error fix free