The "iw6sp64-ship.exe entry point not found" error typically occurs when the game's executable file is unable to locate a specific library or function required to run the game. There are several reasons that might cause this error, including:
You can follow instructions for a Windows Clean Boot to start the PC with a minimal set of drivers. iw6sp64-ship.exe entry point not found call of duty ghosts
The error in Call of Duty: Ghosts