Now, to the core of your search: The short answer is no . No official patch has ever been released for the commercial version of Call of Duty: Black Ops 2 (whether on Steam or the now-defunct Battle.net) to specifically fix this error. The game received its last official title updates shortly after its 2012 launch, which focused on multiplayer league play, combat records, and network stability—not memory management overhauls.
Navigate to the tab and click Verify integrity of game files . Now, to the core of your search: The short answer is no
A surprising number of “state pool” errors stem from audio drivers. which focused on multiplayer league play