1. Windows Defender Antivirus
1.1: Please follow these instructions to add exclusions for Lumion in Windows Defender Antivirus:
For the list of exclusions see this article section 1.3:
- Knowledge Base: How do you resolve anti-virus and firewall problems?
- External Link: Add an exclusion to Windows Defender Antivirus
2. Windows Defender Firewall
2.1: Then type 'Allow an app through Windows Firewall' in the Windows Search field and press Enter:
2.2: Click on 'Change settings':
2.3: Please click on 'Allow another app...':
2.4: In the window that appears, click on 'Browse' and select 'Lumion.exe' in the folder you installed Lumion in.
The default location is: C:\Program Files\Lumion (Version)
2.5: Click on the 'Add' button: