and ensure "English" is selected. Steam may need to download a small update. Reinstall All Modes:
Console-specific steps (PS3/Xbox 360)
The Ghost in the Machine
Alex sat in the dark. Somewhere in the silent server, a hard drive still spun. And without the sound bank, he realized, you couldn't hear the enemy coming until it was already whispering in your ear.
If you have the game installed on a secondary hard drive (like a D: or E: drive) or an external drive, the game may struggle to load the large sound banks quickly enough due to older permission protocols. and ensure "English" is selected
Quick fixes (try in order)
Below is a tiered troubleshooting guide. Start with the first method and work your way down. In most cases, Method 1 or 2 will resolve the issue. Somewhere in the silent server, a hard drive still spun
"Sound Bank Failed to Load cmn-root.english" Call of Duty: Black Ops 2