| Cause | Likelihood | Description | | :--- | :--- | :--- | | | High | The channel file is missing or has an invalid checksum due to incomplete download or antivirus quarantine. | | Version Mismatch | Medium | A plugin, project file, or update patch expects a channel that exists in a newer (or older) version than the installed build. | | Disk I/O Error | Low | Transient read failure where the OS fails to locate the resource at the expected absolute path. |
Sometimes, Lumion throws this error but actually works fine. If you see the error on launch, and then Lumion operates perfectly, do nothing. This is a race condition in the "free" memory routine where Lumion checks for a channel before your GPU driver has fully initialized. It corrects itself within 2 seconds.
If you are trying to launch Lumion and encounter the error message you are not alone. This specific error typically halts the startup process, preventing the software from loading your 3D environment. | Cause | Likelihood | Description | |
: Corruption in these system files is a frequent cause of "Channel not found" errors.
: Frequently reported in Lumion 10, 11, and 12. How to Fix It How do you resolve start-up problems? - Knowledge Base | Sometimes, Lumion throws this error but actually
Antivirus programs frequently mistake Lumion's licensing modules for unauthorized scripts.
Click , choose Folder , and select your main Lumion installation directory (usually C:\Program Files\Lumion ). Step 2: Repair Your Windows Hosts File It corrects itself within 2 seconds
Add the entire Lumion folder to your antivirus to prevent it from happening again. 2. Run as Administrator
Often, the best solution is a clean re-installation. Simply running the installer again might not work if files are corrupted.