Delete the Lumion folder in C:\Program Files and the one in Documents\Lumion .
How to Fix the "Lumion Channel Not Found" Installation Error Delete the Lumion folder in C:\Program Files and
This is the most frequent culprit. Security software often flags Lumion’s "Channels" or DLL files as false positives, moving them to quarantine during installation. Delete the Lumion folder in C:\Program Files and
Lumion relies on Microsoft Visual C++ packages to handle its loading routines. If these are corrupted, the "channel" cannot be initialized. Delete the Lumion folder in C:\Program Files and
Re-download the installer using the (do not use a third-party mirror). Reinstall with your antivirus turned OFF .