Lumion Failed To Create Dummy D3d9 High Quality -

Open the NVIDIA Control Panel -> Manage 3D Settings -> Program Settings . Add Lumion.exe and set it to High-performance NVIDIA processor . 3. Reinstall DirectX Runtimes

If your PC has both an integrated and a dedicated GPU, Lumion may be defaulting to the weaker one. lumion failed to create dummy d3d9