Short checklist to fix
Click Add an exclusion and select the following "Folder" paths: C:\Program Files\Lumion [Your Version] C:\Users\[YourUsername]\Documents\Lumion [Your Version]
When Lumion is launched, it attempts to load various channels, including the Lumion channel, which is essential for the software's functionality. If the Lumion channel is not found, the software will display an error message indicating that it is skipping the load routine. This error message may appear due to various reasons, including: Short checklist to fix Click Add an exclusion
Are you using any software besides Windows Defender? Share public link
Delete those specific lines, or completely reset the file to the Windows default layout. Save the file and restart your machine. Step 3: Verify and Re-Download Installation Files Share public link Delete those specific lines, or
Edit registry only if comfortable. Navigate to: HKEY_LOCAL_MACHINE\SOFTWARE\Lumion\[Version]\Channels Each channel should have a Path string value pointing to the correct file location. If any path uses an old drive letter (e.g., E: when Lumion is now on D:), update it.
: Select the entire Lumion directory ( C:\Program Files\Lumion [Your Version] ) to stop real-time scans from interrupting the initialization. Once all relevant packages are repaired
If the error persists, specific DLL or asset files needed for high-quality channels are missing. This often happens after a failed automatic update.
: Major operating system updates can introduce system-level library versions (such as Microsoft's default ONNX runtime) that clash with Lumion's built-in 3rd-party dependencies.
| Practice | Why | |----------|-----| | Always run installer as Admin | Ensures registry keys and channel files are written correctly. | | Keep antivirus exclusions for Lumion folders | Prevents real-time protection from deleting channel configs. | | Avoid manual deletion of AppData/Lumion folders | Those contain channel cache. | | Use Lumion’s own backup/restore settings | Export LumionSettings.cfg before reinstalling OS. | | Update via official patch installer | Copy‑paste updates often break channel registration. |
Right-click each package, select , and then click Repair . Once all relevant packages are repaired, reboot your PC. Step 5: Perform a Clean Reinstallation