Since you are likely seeing this error currently, here is the manual solution that the feature described above would automate:
Click on and filter for "Quarantined items".
In Lumion, a "channel" typically refers to:
Delete these folders (or move them to the desktop) and try the installation again. 4. Check for Sufficient Disk Space Since you are likely seeing this error currently,
If you have a paid license for Lumion 10.0, 10.3, or 10.3.2, and you recently updated Windows 10, this is the fix for you. It is quick, simple, and official.
The specific text or data files that define the software's update or distribution channel are missing.
If you rely on Lumion for student projects or professional architectural rendering work, consider using the official (which is completely free for verified students) or utilizing their standard trial options to ensure a stable, error-free workflow. Check for Sufficient Disk Space If you have
Compare the file sizes on your disk with the sizes listed on the official Lumion download page. If one is significantly smaller, it’s a "bad download."
If you are using Lumion 10.0 to 10.3.2 and the steps above don't work, follow these official Lumion support instructions Navigate to the folder in your installation directory (e.g., C:\Program Files\Lumion 10.x\3rd Locate the file onnxruntime.dll it directly into the root folder where Lumion.exe is located. Restart Lumion. Pro Tips for a Smooth Launch Run as Administrator : Right-click the Lumion icon and select Run as Administrator to ensure it has the necessary permissions. Update VC++ Redistributables : If the error persists, repair the Microsoft VC++ redistributables found in the Various\Redist versions folder of your installation directory. Check Disk Space : Ensure you have at least 30 GB of free space on your drive, as Lumion needs room for temporary files. Are you using a dedicated graphics card integrated one for your Lumion renders? How do you resolve start-up problems? - Knowledge Base
: If files were permanently deleted rather than quarantined, you may need to reinstall the software with your antivirus temporarily disabled to ensure all "channel" files are written correctly. How to Fix Lumion Channel Error If you rely on Lumion for student projects
Look for any recently blocked files associated with Lumion (often located in C:\Program Files\Lumion ). Select the file and choose or Allow on device .
The "Lumion channel not found in installation, skipping load routine" error typically occurs due to one or more of the following reasons:
The phrase "skipping load routine free" indicates deliberate exception handling:
Even if your Lumion installation is working correctly, a future antivirus definition update could quarantine critical files again. The permanent exclusion you created earlier will prevent this.
Open the app and go to Apps > Installed Apps . Find Lumion in the list.