Call Of Duty Black Ops 2 — Failed To Allocate From State Pool Fix

Windows 10/11 aggressively compresses memory, which confuses BO2’s allocator.

It happens most frequently during the Single Player Campaign—specifically during the high-action right after the helicopter crash or during specific narrative choices. It can also trigger in Multiplayer or Zombies when the engine handles too many assets simultaneously. Step-by-Step Fixes for Black Ops 2 State Pool Error Windows 10/11 aggressively compresses memory

Even on Windows 10/11, BO2 needs older DX9 libs. Windows 10/11 aggressively compresses memory

Black Ops 2 depends heavily on older ecosystem libraries that modern operating systems like Windows 10 and Windows 11 sometimes struggle to manage natively. Repairing these files explicitly addresses unhandled memory exceptions. Windows 10/11 aggressively compresses memory

If r_statePoolSize doesn’t exist, add it manually at the top of the file: seta r_statePoolSize "1024"