The most famous and effective patch came from the mod client (2016–2023). Plutonium rewrote memory allocation routines for BO2, completely eliminating the state pool error. It also added dedicated servers, FOV slider, and anti-cheat. Status: Plutonium shut down its BO2 services in August 2023 following a DMCA notice from Activision. However, existing Plutonium installations that remain offline may still work, but multiplayer functionality is gone.
If you are seeing "Failed to allocate from state pool," it is almost always a memory management issue. The most reliable fix is to . If that fails, ensure your game is fully patched via Steam or utilize a 4GB memory patch to allow the game to utilize more system resources on modern PCs. The most famous and effective patch came from
Do not wait for a patch that will never come. Apply the DGVoodoo2 hack, disable your overlays, and delete that old config file. Within ten minutes, you will be back in Hijacked, quickscoping, or training zombies on Town. Status: Plutonium shut down its BO2 services in