The most common cause of this error is the setting. Black Ops 2 was developed before 4K gaming was standard. Setting textures to "Extra" or "High" on modern high-VRAM graphics cards can cause the game engine to miscalculate memory allocation, leading to the crash.
If you’re still seeing “failed to allocate from state pool” even after the latest updates, try these fixes—tested and confirmed to work in 2025. The most common cause of this error is the setting
: Switch the display mode to Windowed and use a resolution significantly lower than your monitor's native resolution. If you’re still seeing “failed to allocate from
If Tier 1 and 2 fail, you need the community’s real patch: . This is an open-source translation layer that converts the game’s old DirectX 9 calls into DirectX 11 or 12. It completely bypasses the state pool issue. This is an open-source translation layer that converts