Go to the campaign menu and use the Mission Rewind feature to go back to a previous mission (like "Achilles' Veil").
In simple terms, BO2’s old engine has a memory management issue. When your PC is too fast (high FPS, modern CPU, lots of VRAM), the game tries to allocate video memory in a way the 2012 code doesn’t understand. The "state pool" is basically a buffer that overflows because your system is . Go to the campaign menu and use the
In short:
BO2 Error: Failed to allocate from state pool :: Call of Duty The "state pool" is basically a buffer that
The is to apply the 4GB Patch (also known as Large Address Aware) to the game’s executable. This tool, originally developed by NTCore, flips a flag in the game’s .exe header, telling Windows that the application can address more than 2GB of RAM. By default, 32-bit applications on Windows are capped at 2GB. The Large Address Aware flag extends this to 4GB (or up to 4GB on 64-bit systems). For Black Ops 2 , this is transformative: it gives the "state pool" room to breathe. To apply, locate t6mp.exe (multiplayer) or t6zm.exe (zombies), run the 4GB Patch utility, select the file, and confirm. This single action resolves the error for the vast majority of users, as it directly addresses the root cause—address space exhaustion. By default, 32-bit applications on Windows are capped at 2GB