Delete any leftover folders in C:\Program Files\Lumion and C:\Users\[YourUsername]\AppData\Local\Lumion (Note: AppData is a hidden folder). software.
The most common cause is that the Lumion installation directory is missing critical files. This often happens if:
If this message triggers, it usually points to one of four issues:
When you place an object or apply an effect, Lumion creates a "channel" link to that file. If that link breaks, the error is triggered. Delete any leftover folders in C:\Program Files\Lumion and
To troubleshoot effectively, you first need to decode the jargon.
The error message "Channel not found in installation skipping load routine"
Without proper permissions, Lumion cannot read its own internal channels or registry keys. This often happens if: If this message triggers,
If you are using an older version of Lumion on a newer Windows 10/11 update, a specific conflict with the onnxruntime.dll library might be the trigger. Find the File: folder within your Lumion installation. Move the DLL: onnxruntime.dll folder directly into the root Lumion folder (where Lumion.exe is located). Launch Lumion again to see if the load routine succeeds. 4. Repair Microsoft VC++ Redistributables
If you are seeing the error message in your log files, your software is missing critical configuration data. This error typically happens during startup when the application tries to locate its licensing, update, or content delivery pipeline (the "channel") and fails. It then skips the loading routine, causing the software to crash, freeze, or launch in a broken state.
subfolder. It can also be caused by system conflicts, such as the onnxruntime.dll conflict found in certain Windows 10 versions. Immediate Fix: Restore Quarantined Files The most frequent cause is Windows Defender or a third-party antivirus incorrectly flagging Lumion's files as threats. Close Lumion : Ensure the process is fully ended via the Task Manager (Ctrl+Shift+Esc). Open Windows Security Virus & threat protection Protection history Restore the Files The error message "Channel not found in installation
: Launch Lumion to see if the routine now loads correctly. Other Troubleshooting Steps
Which and version you are using (e.g., Revit 2024, SketchUp 2023) Your current Lumion version Whether you recently updated or moved either program
Ensure your NVIDIA or AMD drivers are updated to the latest studio-stable versions, as Lumion initializes the GPU immediately after checking the channel.
triggered by security software. Restoring the quarantined DLL files from Windows Security Protection History and adding the Lumion installation folder to your antivirus exclusion list is the primary solution. If you'd like, let me know: version of Lumion you are using (e.g., Lumion 10, 12, or 2024)? Whether you are using Windows Defender third-party antivirus (like Norton or Avast)? If the error message includes a specific randomized code
Navigate to your Lumion installation folder: \Lumion [version]\Various\Redist versions .