Black Ops 2 Sound Bank Failed To Load Cmnrootenglish Best

If you are playing on a modified client (such as Plutonium or Redacted):

Antivirus software loves to kill this specific file because it contains .dll hooks for audio. black ops 2 sound bank failed to load cmnrootenglish best

Reinstall the sound bank via Steam Verify (Step 1) while the AV is disabled.

Purpose: Detect the "sound bank failed to load cmnrootenglish best" error and repair missing/corrupt audio assets or configuration causing it. If you are playing on a modified client