If these steps don't work, consider using the client, a community-made launcher designed to fix stability and security issues for Black Ops II on modern systems.
While the error code is officially 0xc0000005 , many users misread it or encounter variants that lead them to search for "0xc00025." The solutions below cover this specific Access Violation crash.
Below are the most effective methods to resolve this error and get the game running. 1. Reinstall Redistributable Files
The is one of the most frustrating issues plaguing Call of Duty: Black Ops II players on PC. This error typically crashes the game immediately upon startup, during map loads, or mid-match. It indicates an "Access Violation," meaning the game is trying to read or write to a memory address that it isn’t allowed to access.
The error in Call of Duty: Black Ops 2 on PC usually points to a corrupted or missing system file , faulty Visual C++ Redistributable , or anti-cheat/deprecated driver conflict (especially on Windows 10/11).
Newer Windows versions sometimes block older game processes from accessing necessary system resources.
If you are seeing the fatal error code starting with 0xc000..., the issue is almost certainly a conflict or a Software Overlay conflict.