Ops 2 Sound Bank Failed To Load Cmn-root.polish: Black

Try these solutions in order. The first solution resolves over 80% of cases.

Before starting, check which version of the game you are running. Black Ops 2 Sound Bank Failed To Load Cmn-root.polish

Follow these solutions in order. Start with the easiest (verifying files) and move toward the more technical (registry edits). Try these solutions in order

Best for: When verification says "All files validated" but the error persists. Follow these solutions in order

Sometimes Steam refuses to re-download a file because it thinks the file exists, even if it is 0 bytes or unreadable.

  • Find the file named cmn_root.polish (or cmn_root.english).
  • Delete this file.
  • Go back to Steam and run "Verify Integrity of Game Files" again (See Method 1).
  • Steam will now see the file is missing and download a fresh copy.

    • If you don’t need Polish audio:

    Scroll to Top