Click Add an exclusion and select the following "Folder" paths: C:\Program Files\Lumion [Your Version] C:\Users\[YourUsername]\Documents\Lumion [Your Version]
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
Go to your Lumion installation folder: C:\Program Files\Lumion 10.x\3rd . Locate the file named onnxruntime.dll . Click Add an exclusion and select the following
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)
Corrupted system-level software can cause "load routine" skips. You can repair these directly from the Lumion installation files. - Knowledge Base Go to your Lumion installation
The most common culprit is or a third-party antivirus (like Avast or McAfee) flagging Lumion’s "Channels" folder as a false positive. Step 1: Open Windows Security > Virus & threat protection . Step 2: Click on Protection history .
Move your Documents/Lumion folder out of OneDrive or Dropbox to a local drive. 4. Repair Microsoft Visual C++ Redistributables
(do not copy) this file from the \3rd folder directly into the root folder where Lumion.exe is located (usually C:\Program Files\Lumion 10.x ). Restart Lumion. 4. Repair Microsoft Visual C++ Redistributables
