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
Move your Documents/Lumion folder out of OneDrive or Dropbox to a local drive.
Set Lumion to "High Performance" in . Network Right-click VC_redist
Corrupted system-level software can cause "load routine" skips. You can repair these directly from the Lumion installation files.
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. Summary Checklist for a Clean Startup Problem Area
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)
Look for recently blocked items related to the Lumion installation path (usually C:\Program Files\Lumion [Version]\Channels ). Step 4: Select the item and choose Actions > Restore . 2. The Permanent Solution: Set Folder Exclusions Right-click VC_redist
Go to your Lumion installation folder: C:\Program Files\Lumion 10.x\3rd . Locate the file named onnxruntime.dll .