Lumion Invalid License Fix Info

If you are seeing an "Invalid License" "License Key is not valid"

• If you still have the old PC: Open Lumion on it > Help > Deactivate License.
• If the old PC is dead/erased: Log into your Lumion Account dashboard online. Look for "Deactivate all devices" or "Reset Activations." (Most subscription plans allow 1-3 resets per year).

But don’t panic. In most cases, this issue is fixable in under five minutes. Here is a comprehensive guide to diagnosing and solving the Lumion invalid license error. lumion invalid license fix

1. Open Lumion and go to Help > License > License Manager.
2. Click Regenerate License File and follow the on-screen instructions.
3. Save the new license file to a secure location.

: For versions older than Lumion 2025, verify the license key was copied exactly from your "Getting Started" email without extra spaces at the beginning or end. Version-Specific Troubleshooting Action to Resolve Lumion 2025+ If you are seeing an "Invalid License" "License

Add Exclusions:

Add the Lumion installation folder (typically C:\Program Files\Lumion [Version] ) to your Antivirus Exclusions list. If you still have the old PC: Open