To Create Dummy D3d9: Lumion Failed
Troubleshooting Guide: "Lumion Failed to Create Dummy D3D9"
Step 1: The Basic Restart & Update (3 minutes)
7. Check Windows Graphics Settings
- Exact error message and screenshots.
- Lumion version/build.
- Windows version and build number.
- GPU make/model and driver version.
- Contents of dxdiag output (saved text).
- Lumion log files from installation folder (attach).
- Steps already tried (drivers updated, overlays disabled, DDU run, etc.).
- Whether issue occurs on other machines.
C:\Program Files\LumionC:\ProgramData\Lumion(hidden folder)%LocalAppData%\Lumion
This error typically appears when launching Lumion and prevents the software from starting correctly. Below, we explain what causes this issue and provide step-by-step solutions to resolve it.
To fix the problem, you must first understand it. lumion failed to create dummy d3d9