To resolve this and allow Lumion to launch, you must remove the conflicting entries: Open Notepad as Administrator Search for in your Windows Start menu. Right-click it and select Run as administrator Open the Hosts File In Notepad, go to File > Open Navigate to: C:\Windows\System32\drivers\etc\
127.0.0.1 manifest.lumion3d.com/payload/v2/quality_check lumion 2023 host file entries detected high quality