Known issueFixUpdated · 2 replies on Steam
Call of Duty: MW4 Campaign Crash (Workarounds)
Short answer
Suggested fix (unconfirmed): Check the `error_message` field in your crash report's `info.json` file to identify the specific error. Then, disable any active overlays, run the game as an administrator, or update all background applications causing the `ntdll.dll` conflict.
The problem
The game crashes when I start campaign. It worked before, but start crashing today. Tried everything I can think of: reboot, reinstall GPU driver, verify integrity, etc.
Did this work for you?
Source: original Steam Community discussion. Quotes are shortened; all credit goes to the posters. Tags: crash