Ensure Lumion.exe is allowed through the Windows Defender Firewall.
If you want, I can:
In some cases, reinstalling the software or re-authorizing the license dongle (if you're using one) can resolve the issue. Ensure Lumion
If you have exhausted these options and the issue persists, you must contact . Be sure to provide them with your System Information file (DXDiag) and the specific error message text to expedite the support process. I can: In some cases