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: For NVIDIA users, the 314.22 driver is specifically noted to resolve many crashing issues in BO2, including the "Failed to allocate from state pool" error. Modern drivers may also work, but this specific older driver is a known fix.

. It indicates the game has run out of allocated memory for specific state changes. Steam Community 🛠️ Primary Fixes Lower Graphics Settings: Turn every setting to the possible or Use Windowed Mode: Switch from Fullscreen to Windowed (Borderless) Reduce Resolution: Set the game to a resolution than your native monitor resolution. Rewind the Story:

If you are crashing during the Campaign right before or during the LA mission, the engine struggles to load specific character assets—specifically . A highly successful community fix involves rewriting the timeline: Open the Campaign menu and access the Story Timeline . Rewind the story back to the mission "Achilles' Veil" .

Alternatively, if the game crashes before you can change settings, open your Nvidia Control Panel or AMD Radeon Software, find the Black Ops 2 profile, and set a limit globally or specifically for the game. Step 5: Verify Integrity of Game Files

Run the installer and select the Repair option.

Allowing Black Ops II to run with uncapped frame rates on a modern gaming rig causes the engine's state loop to spin too fast. This rapidly exhausts the internal allocation memory pools. Launch . Navigate to Options from the main menu and select Video . Locate the Max Frames Per Second setting.

Check and select Windows 7 or Windows 8 . Check Run as administrator . 🎮 Multiplayer Lobby Fix (Console/PC) If this happens in a pre-game lobby:

After setting this, it's a good idea to run the "Verify integrity of game cache" process in Steam once more to apply the changes fully.

If a specific checkpoint is corrupted, use the "Rewind" feature in the campaign menu to restart the mission from the beginning rather than loading a mid-mission save.

A confirmation dialog will appear stating the patch was successful.

Legacy IW engine games do not handle sudden window focus shifts well. Switch your display setting to Windowed Fullscreen mode if you frequently navigate out of the game.

If you are currently stuck in a mission and the game is crashing, try these specific actions first:

2. The Campaign Story Rewind Fix (For "Cordis Die" / LA Mission)

Right-click the t6mp.exe (multiplayer) or t6sp.exe (single player). Select Properties and go to the Compatibility tab. Check Run this program as an administrator. Check Disable fullscreen optimizations.

is a legacy memory allocation bug typically triggered by high-intensity mission scripts or conflicts with modern software overlays. While there is no official patch, several community-verified workarounds can bypass the crash, especially during the problematic "Los Angeles" (Cordis Die) mission. Steam Community Immediate Workarounds Lower Graphics & Windowed Mode