Press Windows Key + R , type regedit , and press to open the Registry Editor.
Many users find that their antivirus (including Windows Security/Defender) has deleted or quarantined the necessary files during or after installation 1.2.1. Press Windows Key + R , type regedit
Open the Windows Start menu, type Windows Security , and open the app. Press Windows Key + R
In Lumion’s architecture:
Did you see a specific listed right before the channel error appeared? type Windows Security
Cut ( Ctrl + X ) this file, navigate backward to the main root folder ( C:\Program Files\Lumion [Your Version] ), and paste ( Ctrl + V ) it there.
Navigate to and click on Protection history .