The "Channel not found" error is rarely a sign of hardware failure; it is almost always a . Start with your antivirus exclusions and Administrator privileges , as those solve the problem for 90% of users.

Delete the Lumion folder in C:\Program Files and the one in Documents\Lumion .

If none of the above work, the installation package itself may be corrupted. Uninstall Lumion.

Lumion is sensitive to where it is installed. If you manually moved the folder after installation or if there are special characters (like symbols or non-English letters) in your file path, the "channel" tracker will fail.

If you are trying to launch Lumion and are met with the error message you’ve hit a common snag usually related to how the software was installed or how it’s communicating with your license server.