The most common fix is to recover files that Windows Security mistakenly flagged as threats. Stop Lumion
Navigate to your installation directory (usually C:\Program Files\Lumion [Version] ) and select the entire folder to ensure it is trusted. The most common fix is to recover files
Lumion sometimes hides high-quality channels if the registry points to integrated graphics. The most common fix is to recover files
Run VC_redist.x64.exe as an administrator and select . The most common fix is to recover files
Right-click your Lumion shortcut on the desktop. Select "Run as Administrator." If the error disappears, you can make this permanent by right-clicking the shortcut > Properties > Compatibility tab > check "Run this program as an administrator." 2. Antivirus and Firewall Interference