Go to , right-click your device, and select Properties .
(Most Common Fix)
The "sound bank failed to load cmn-root.english" error in Call of Duty: Black Ops II Go to , right-click your device, and select Properties
: If you have files for a different language, you can sometimes trick the game by renaming them. Go to the sound folder in your game directory. Search for files with "polish" or "russian" in the name. Search for files with "polish" or "russian" in the name
: Many versions of the game include a _Language Switcher folder in the main game directory. Open your Black Ops 2 game folder. Navigate to _Language Switcher > English . Navigate to _Language Switcher > English
If files were corrupted during a download or an update, Steam can automatically repair them. Steam Library Right-click on Call of Duty: Black Ops II Properties Installed Files (or Local Files). Verify integrity of game files