Move your Documents/Lumion folder out of OneDrive or Dropbox to a local drive.
Ensure at least of free space on your C: drive for temp files. Graphics
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 Move your Documents/Lumion folder out of OneDrive or
To prevent the "channel not found" error from returning after the next scan, you must tell your antivirus to ignore the Lumion directory.
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 Look for recently blocked items related to the
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.
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
Navigate to C:\Program Files\Lumion [Version]\Various\Redist .