Lumion Channel Not Found In Installation Skipping Load Routine Top New! Jun 2026

: Ensure you have at least 30 GB of free space on your C:\ drive, as insufficient space can prevent the software from writing temporary cache files during the load routine.

If you recently upgraded Lumion or switched from a trial version, old registry paths might be misdirecting the software. Press Windows Key + R , type regedit , and hit . Navigate to: HKEY_CURRENT_USER\Software\Act-3D\ : Ensure you have at least 30 GB

: Move the onnxruntime.dll file from the 3rd folder directly into the main Lumion root folder (where Lumion.exe is located). | | The quarantined file is restored but

| | Likely Cause | Recommended Solution | | :--- | :--- | :--- | | Using Lumion 10.0 - 10.3.2 after a Windows 10 update | The onnxruntime.dll file conflict | Move the onnxruntime.dll file from \3rd to the root Lumion folder. | | Using other Lumion versions (e.g., 11, 12, 2023) | Antivirus or security software quarantine | Restore the quarantined file from Windows Security's Protection History. | | The quarantined file is restored but the error returns quickly | Security software continues to block the file | Temporarily disable your security software to test, then set an exclusion for the Lumion folder. | | The error appears during installation, not at startup | Minor incompatibility with the installer | Click "Ignore" and continue the installation. This message is often unimportant. | | You have an older version of Lumion (e.g., 2.1) | You may be using an outdated or unstable build | Download and install the latest available build of your version from an official source. | starting with the most likely fix.

The following table provides a quick reference for troubleshooting based on your scenario:

Let's work through the most effective solutions, starting with the most likely fix.