"Sound bank failed to load cmnrootenglish. Please restart the game."
Do not skip steps. Perform these in order from easiest to most advanced. black ops 2 sound bank failed to load cmnrootenglish best
Once Steam finishes the update, restart the Steam client and launch the game. Manual File Check Black Ops 2 "Sound Bank Failed to Load
Update drivers and system:
"Sound bank failed to load cmnrootenglish_best." Clear any audio cache/temp files then re-launch game