The error message "Failed to create dummy D3D9" in Lumion is typically a graphics driver or display configuration issue
The DirectX runtimes on your system are not functioning correctly. Step-by-Step Fixes 1. Update (or Reinstall) Your Graphics Drivers lumion failed to create dummy d3d9
Use the Radeon Software settings to set Lumion to "High Performance." 3. Reinstall DirectX Runtimes The error message "Failed to create dummy D3D9"
Right-click the Lumion icon and select "Run as Administrator" to ensure it has the necessary permissions. DirectX Update: Ensure your DirectX End-User Runtimes are up to date. lumion failed to create dummy d3d9