Here’s a full post you can use for forums, Reddit, or support tickets:
Title: Lumion Error: "Channel not found in installation, skipping load routine top" – How to Fix? Post: I’m running into an issue when launching Lumion. Shortly after startup, I get an error message that says:
"Lumion channel not found in installation – skipping load routine top"
The software seems to load partially but then either hangs or doesn’t start correctly. I’ve tried restarting my PC and reinstalling Lumion, but the error still appears. Has anyone else encountered this? What does “channel not found” mean in this context, and how can I resolve it? System info: Here’s a full post you can use for
Lumion version: [e.g., 12.5 / 2023 / 2024] OS: [e.g., Windows 10/11 Pro] GPU: [e.g., RTX 3060] Installed on: [e.g., SSD drive, default directory]
Things I’ve tried:
Running as administrator Disabling antivirus temporarily Reinstalling Visual C++ redistributables Checking for missing DLLs I’ve tried restarting my PC and reinstalling Lumion,
Any help would be appreciated. Thanks in advance.
How to Fix the "Lumion Channel Not Found in Installation" Error If you’ve just installed or updated Lumion and are greeted with the frustrating message "Lumion channel not found in installation skipping load routine top" , you aren't alone. This error typically acts as a "handshake" failure between the software launcher and its core resource files. Essentially, the program is looking for a specific configuration path or licensing "channel" to tell it which version to load, and it’s hitting a dead end. 1. Check Your Antivirus (The #1 Culprit) Most of the time, this error occurs because an overzealous antivirus or Windows Defender has "quarantined" or deleted a small .dll or .ini file during the installation. The Fix: Open your Antivirus "Protection History" or "Quarantine" folder. Look for any files related to Lumion that were blocked recently. Pro Tip: Add the entire Lumion installation folder (usually C:\Program Files\Lumion [Version] ) to your antivirus Exclusions list and restart the app. 2. Run as Administrator Lumion requires deep access to your system’s hardware and registry to manage its high-end rendering engine. If it doesn't have the right permissions, it may fail to "see" its own installation channels. The Fix: Right-click the Lumion shortcut on your desktop and select "Run as Administrator." If this works, right-click the shortcut > Properties > Compatibility > and check "Run this program as an administrator" permanently. 3. Verify the "Hosts" File Lumion uses a specific communication routine to verify your license channel. If you have previously used a trial, a different version, or if your system's network settings have been modified, your Hosts file might be blocking the connection. The Fix: Navigate to C:\Windows\System32\drivers\etc . Open the hosts file with Notepad. Ensure there are no lines containing "lumion" or "act-3d" that are blocking the software from reaching its server. 4. Reinstall the Connection Component Sometimes the main software installs fine, but the "updater" or "channel manager" fails. The Fix: Rather than a full reinstall (which takes forever), try running the "Lumion_Updater.exe" located inside your installation folder. This can often re-sync the "channel" that the error message claims is missing. 5. Check for Corrupt Installation Files If the error persists, a file may have been corrupted during the multi-gigabyte download process. The Fix: If you used the Lumion Download Manager, check the integrity of the installation files. If even one .bin file was slightly corrupted, the "load routine" will skip the installation channel to prevent a system crash. Summary Checklist Exclusion: Add Lumion to Antivirus exceptions. Permissions: Run the program as Admin. Cleanup: Remove any Lumion-related blocks in your Windows Hosts file. Update: Run the internal updater to force a channel check. If none of these steps work, it’s best to perform a "Clean Uninstall." Delete the folder in Documents\Lumion and Program Files , restart your PC, and run the installer again with your antivirus temporarily disabled.
The error "Channel not found in installation skipping load routine" in Lumion typically occurs when security software like Windows Defender or an antivirus has quarantined or deleted essential .dll files from your installation folder. Quick Fix Steps Check Quarantine History : Open Windows Security or your third-party antivirus. Navigate to Virus & threat protection > Protection history . Look for blocked files related to Lumion (often .dll files in the Channels folder). Select the file and choose Restore . Add Exclusions : To prevent the error from returning, add the entire Lumion installation folder (usually C:\Program Files\Lumion [Version] ) to your antivirus exclusion list. Repair VC++ Redistributables : If restoring files doesn't work, go to your Lumion installation folder: \Various\Redist versions . Right-click VC_redist.x64.exe and select Run as Administrator , then choose Repair . Reboot your PC before launching Lumion again. Specific Version Fixes Lumion 10.0 to 10.3.2 : This version has a known conflict with a Windows 10 update (v2004). Close Lumion and move the onnxruntime.dll file from the 3rd folder to the root Lumion installation folder where Lumion.exe is located. Permissions : Always try running Lumion as an Administrator by right-clicking the shortcut and selecting "Run as administrator" to ensure it has the necessary access to load its modules. System info: Lumion version: [e
"Channel not found in installation skipping load routine top" in Lumion typically indicates that critical software components (often files) are missing or being blocked by security software. This is common in versions like Lumion 10, 11, and 12. Primary Fix: Restore Quarantined Files The most frequent cause is Windows Defender or third-party antivirus software mistakenly flagging and quarantining Lumion files, such as command_d.dll Check Protection History : Open the Start Menu Update & Security Windows Security Virus & threat protection View Quarantined Items : Click on Protection history and look for recently blocked items related to Lumion. Restore File : If you find a file (like C:\Program Files\Lumion [version]\Channels\System\command_d.dll and select Add Exclusions : To prevent it from happening again, go back to Virus & threat protection Manage settings Add or remove exclusions . Add the entire Lumion installation folder (usually C:\Program Files\Lumion [version] ) to the exclusion list. Secondary Troubleshooting Steps If the above does not work, try these steps in order: Run as Administrator : Right-click the Lumion.exe file or shortcut and select Run as administrator to ensure it has the necessary permissions. Repair Microsoft Visual C++ : Reinstall or repair the Microsoft VC++ Redistributables located in the folder within your Lumion installation directory. Check Installation Integrity : If files are permanently deleted, you may need to reinstall Lumion . Ensure your antivirus is disabled or the installer is added to exclusions during the process. Move Specific DLLs (For Lumion 10) : For some "Channel" related errors, moving onnxruntime.dll folder to the root Lumion installation folder (where Lumion.exe is) has been known to resolve startup issues. Quick Summary Checklist Potential Cause Antivirus/Firewall Block Restore quarantined files and add the Lumion folder to exclusions. Missing Permissions Always use Run as Administrator Corrupt Redistributables VC_redist.x64.exe from the Lumion Damaged Installation Perform a full reinstall if the "Channels" subfolder is empty. add an exclusion to a specific third-party antivirus like Norton or McAfee? How do you resolve start-up problems? - Knowledge Base
This error usually happens when Lumion can't find its configuration files, often caused by interrupted updates, improper shutdowns, or Windows library conflicts. Review: Lumion Startup Error – "Channel not found in installation" Issue Summary: The software fails to launch and displays a "Channel not found in installation skipping load routine" error. This is a critical startup failure that prevents the environment from loading. Likely Causes: Library Conflicts: Known issue where Windows updates (like v2004) introduce a version of onnxruntime.dll that conflicts with the one in Lumion’s folder. Corrupted Config Files: Interrupted updates or improper shutdowns can break the channel configuration files. System Software: Outdated or corrupted Microsoft VC++ redistributables. Recommended Fixes (Try in order) Relocate the Library File (Most Common Fix for Lumion 10): Navigate to your Lumion installation folder (e.g., C:\Program Files\Lumion 10.x\3rd ). Find the file named onnxruntime.dll . Move (don't copy) this file from the 3rd folder directly into the root folder where Lumion.exe is located (usually C:\Program Files\Lumion 10.x ). Restart Lumion. Repair VC++ Redistributables: Go to C:\Program Files\Lumion [Version]\Various\Redist . Right-click VC_redist.x64.exe and select Run as Administrator . Choose Repair , reboot your PC, and try launching again. Run as Administrator: Right-click the Lumion shortcut or .exe file and select Run as Administrator to ensure it has the permissions needed to access configuration channels. Check for Disk Space & Permissions: Ensure your C: drive has at least 30 GB of free space. Verify that your antivirus isn't blocking Lumion from reading its activation or configuration files by adding an exclusion for the Lumion folder. How do you resolve start-up problems? - Knowledge Base