Ensure at least of free space on your C: drive for temp files. Graphics
Click Add an exclusion and select the following "Folder" paths: C:\Program Files\Lumion [Your Version] C:\Users\[YourUsername]\Documents\Lumion [Your Version]
If you are specifically using Lumion 10.0 through 10.3.2 on a modern Windows 10 or 11 build, there is a known conflict with the onnxruntime.dll library. completely via Task Manager if necessary. Ensure at least of free space on your
If you are still in the installation phase, add an exclusion for the Lumion Download Manager executable as well. 3. Fixing the onnxruntime.dll Conflict (Lumion 10 users)
If these steps do not clear the error, you may have a corrupt installation. In this case, disable your antivirus temporarily, re-download the installer from your Lumion Account, and perform a clean reinstall. How do you resolve start-up problems? - Knowledge Base If you are still in the installation phase,
Corrupted system-level software can cause "load routine" skips. You can repair these directly from the Lumion installation files.
Right-click VC_redist.x64.exe and select . Choose Repair (or Install if prompted). Reboot your PC before attempting to launch Lumion again. Summary Checklist for a Clean Startup Problem Area Action Required Permissions Right-click Lumion and select Run as Administrator . Disk Space In this case
Go to your Lumion installation folder: C:\Program Files\Lumion 10.x\3rd . Locate the file named onnxruntime.dll .
Move your Documents/Lumion folder out of OneDrive or Dropbox to a local drive.