This error is rarely caused by a single issue. Instead, it is typically the result of one of the situations outlined in the table below. Understanding the root cause on your system will help you choose the most effective solution.
Navigate to your Lumion installation folder (usually C:\Program Files\Lumion [Version]\3rd ). Locate the file onnxruntime.dll .
Right-click on the or the Lumion.exe file in your installation directory. Select Run as administrator . This error is rarely caused by a single issue
If you try these steps and the issue persists, consider checking the official Lumion Support Community or reaching out to their technical support team with your specific software version numbers.
The error occurs when your Windows operating system or security software blocks, isolates, or deletes critical .dll files or registration entries required for Lumion to launch successfully. This startup issue completely stalls the software loading sequence, disrupting professional architectural workflows. Select Run as administrator
Relocate conflicting runtime libraries to the central root folder. Move onnxruntime.dll from \3rd to main directory.
Below is a comprehensive guide explaining why this error occurs and the step-by-step solutions required to fix it. Understanding the Error: What Does It Mean? This error is rarely caused by a single issue
Override system access limits using elevated administrative privileges. Right-click application executable > Run as Administrator .