How To Fix Meccha Chameleon EXCEPTION_ACCESS_VIOLATION Error

Meccha Chameleon is crashing at launch because the Unreal Engine 5 DirectX 12 renderer is struggling to communicate with your hardware. This EXCEPTION_ACCESS_VIOLATION error is particularly common on 13th and 14th gen Intel CPUs, but we can bypass the unstable renderer by forcing the game to use DirectX 11 instead.

Why this happens

The game engine is triggering an access violation when attempting to initialize DirectX 12, often due to an incompatibility with your specific CPU or GPU driver stack.

Steps

1. 01
   Open your Steam Library, right-click Meccha Chameleon, and select Properties.
2. 02
   Stay on the General tab and locate the Launch Options text box at the bottom.
3. 03
   Type -dx11 into the Launch Options box and close the window to save the setting.
4. 04
   Launch the game to see if it bypasses the crash and reaches the main menu.
5. 05
   If the crash persists, right-click your Start button and select Device Manager.
6. 06
   Expand the Display adapters section to view your graphics hardware.
7. 07
   Right-click the secondary or integrated GPU that you are not using for gaming and select Disable device. Your screen will flicker momentarily as the display switches, which is normal behavior.
8. 08
   Ensure your primary, more powerful dedicated graphics card remains enabled, then relaunch the game.

Still not working?

If you are still receiving the crash, verify the integrity of your game files through Steam by right-clicking the game, selecting Properties, navigating to Installed Files, and clicking Verify integrity of game files. If the error continues to trigger, check the game logs located in the AppData/Local/PenguinHotel/Saved/Logs directory for specific driver-related conflicts.

Frequently asked questions

Will forcing -dx11 lower my frame rate?

You might see a slight difference in graphical fidelity compared to DirectX 12, but it is necessary to stabilize the game. It is a reliable trade-off for actually being able to play without crashing.

Is it safe to disable my integrated GPU in Device Manager?

Yes, disabling the integrated graphics on a gaming laptop only forces the system to rely exclusively on your dedicated NVIDIA or AMD card. You can easily re-enable it later by right-clicking the device and selecting Enable device.

Does this fix work for other Unreal Engine 5 games?

The -dx11 launch option is a standard fix for many UE5 titles experiencing DX12 instability, so it is often the first thing you should try if you see a similar EXCEPTION_ACCESS_VIOLATION error in other games.