If the above methods fail or you're using a non-standard version of the game, you might be tempted to search for a direct download of the code-pre-gfx.ff file. This is possible, but it comes with significant risks.
Sometimes, your launcher mistakenly thinks the file is healthy because its index registry is corrupted. Purging the indices forces a real re-download. Completely close Call of Duty and the client. code-pre-gfx.ff download
Go back to the main Call of Duty directory and delete all loose files for the main executable launcher ( .exe ) files and the Data folder itself. If the above methods fail or you're using
Modern antivirus software (especially Avast, AVG, and Windows Defender) historically flags .ff files as false positives. Because these files execute code inside the game engine, AV software sometimes quarantines code-pre-gfx.ff without telling you. Purging the indices forces a real re-download