, delete the word "bin" (keeping the trailing backslash) so it points to the main game directory. Verify the Ensure there is a file named fileSysCheck.cfg located inside a folder named within your primary game directory. Run as Administrator: Right-click the game's file (e.g., iw6mp64_ship.exe for Ghosts) and select Run as administrator to bypass potential permission issues. Security Permissions (Controlled Folder Access):
Right-click the game's primary .exe file (usually iw6sp64_ship.exe ) and select .
Windows blocking the game from reading or writing to its own installation directory. How to Fix Call of Duty: Ghosts filesyscheck.cfg Error call of duty ghosts filesyscheck.cfg error
Right-click Call of Duty: Ghosts in Steam, hover over , and click Uninstall .
Strict security suites occasionally flag .cfg deployment hooks as false positives, locking the file in a sandbox away from the game engine. Open your active or Windows Security . Navigate to the Protection History or Quarantine section. , delete the word "bin" (keeping the trailing
In the folder that opens, locate the main executable file: iw6mp64_ship.exe (for multiplayer) or iw6sp64_ship.exe (for single-player). Right-click the executable and select . Navigate to the Compatibility tab. Check the box next to Run this program as an administrator .
This process will scan your local files against the official ones and redownload any that are broken or missing. 4. Run as Administrator & Compatibility Mode Strict security suites occasionally flag
To narrow down the best solution for your setup, let me know:
Players with RTX 30-series or 40-series cards report the filesyscheck.cfg error more frequently. Why? The 2013 game doesn't recognize modern GPU architecture and falsely flags the graphics driver DLLs as "tampered files."
For users who are not using the official Steam version (e.g., repacks, cracked copies), the troubleshooting approach differs because the file verification tools are not available. The solutions here rely on manual file handling.