Products Effected: DentalCAM 7 (usually after new installation on new PC)
Symptoms: "Error while activating the 3D Viewer" appears when opening DentalCAM 7
Solution: Enable .Net Framework 3.5 and 4.7 from the Windows Features Menu in Windows
1. Navigate to Control Panel > Programs and Features
2. Click on Turn Windows Features on or off
3. Activate .NET Framework 3.5 and .NET Framework 4.7
4. Click OK and Reboot PC