If you obtained the game via a torrent or repack site:
This error is highly common when the "crack" applied to the .exe file is outdated or conflicts with specific Windows updates.
COD: Ghosts specifically needs the 2013 and 2015-2022 runtimes. iw6sp64-ship.exe entry point not found call of duty ghosts
This error is almost always caused by missing or corrupted Visual C++ Redistributable packages. If you obtained the game via a torrent
Call of Duty: Ghosts relies on older Microsoft runtime libraries to function. If you are running Windows 10 or Windows 11, your computer might not have the specific 2012 or 2013 versions of the Visual C++ libraries that the game needs, or the ones you have installed have become corrupted. COD: Ghosts specifically needs the 2013 and 2015-2022
Essentially, the game executable (iw6sp64-ship.exe) is trying to find a specific "door" (the entry point) in your system files to run the code, but that door is missing.