Fg-optional-mp-zombie-04.bin Today

It must be placed in the same folder as the setup.exe and other bin files before starting the installation. If you can tell me: Which Call of Duty game this is (e.g., Black Ops 2, MW3)? Are you trying to play local zombies or online multiplayer ?

You do not need to download this file if you only intend to play the single-player campaign. fg-optional-mp-zombie-04.bin

I can give you more specific troubleshooting steps for that game. It must be placed in the same folder as the setup

fg-optional-mp-zombie-04.bin is an used in FitGirl repacks, typically for Call of Duty games, that contains specific assets for multiplayer or zombie modes. You do not need to download this file

It holds data required for "Zombie" or "MP" (Multiplayer) modes.

If you try to launch zombies or multiplayer without this file, the game will likely close or throw an error indicating missing content.