Lumion LiveSync communicates locally on your machine using TCP ports (typically ). If your Windows Defender Firewall or third-party antivirus perceives this local data transfer as a threat, it kills the channel.
Click Add an exclusion and select the entire installation folder (typically C:\Program Files\Lumion [Your Version]\ ). 2. Run Lumion with Elevated Administrative Privileges
Exclude the Lumion folder in your Documents: C:\Users\[YourName]\Documents\Lumion [Version] . 🛠️ Alternative Troubleshooting Steps If restoring files doesn't work, try these technical fixes:
The error message is a common startup issue in Lumion typically caused by antivirus software or Windows Security mistakenly quarantining essential program files. Review of Causes
This guide will walk you through exactly what this error means, why it happens, and most importantly, the precise steps to eliminate it and get back to rendering. Lumion LiveSync communicates locally on your machine using
A corrupted installation of Lumion can cause this error. Try reinstalling Lumion to resolve the issue.
To prevent the error from recurring, add the Lumion installation folder (typically C:\Program Files\Lumion [version] ) and specifically the channels subfolder to your antivirus exclusion list. :
The error indicates missing internal components required for rendering channels. A repair or clean reinstallation is the most effective fix. If the issue persists, contact Lumion support with log files attached.
Uninstall Lumion completely via the Windows Control Panel. Go to C:\Program Files\ and delete any leftover Lumion folders. Navigate to your Documents folder and temporarily rename the Lumion [Version] folder to back up your user settings and projects. Re-download the installation files cleanly and reinstall. 4. Clean Up Broken Registry Entries Review of Causes This guide will walk you
Here is a detailed breakdown of what this error means, why it happens, and step-by-step instructions on how to fix it.
Your security system may have quarantined a required component. If you are using Windows Defender, configure a dedicated exclusion folder:
Go to your Lumion installation folder and find the or Redist folder. Locate VC_redist.x64.exe .
The plugin was installed under a different user profile or failed to register its paths globally. Step-by-Step Solutions to Fix the Error why it happens
Check if your security software has moved Lumion files to quarantine:
If you have completed these steps and still encounter errors, check the official troubleshooting paths on the Lumion Support Knowledge Base or reach out directly via their technical support portal. How do you resolve start-up problems? - Knowledge Base
: Locate any blocked files tied to your C:\Program Files\Lumion installation directory and select Restore or Allow on device . Add a Folder Exclusion :