This indicates the setup utility is attempting to download missing language packs but cannot access the web.
Restart the machine and run the installer again as Administrator. This indicates the setup utility is attempting to
The web installer fails due to or connectivity issues . This indicates the setup utility is attempting to
Ensure you are running Windows 7 SP1 and that Windows Update is fully caught up, specifically with the required security updates. This indicates the setup utility is attempting to
Save the executable file ( NDP462-KB3151800-x86-x64-AllOS-ENU.exe ) to a dedicated folder on your local storage drive. Pre-Installation Checklist for Windows 7
https://download.microsoft.com/download/F/9/4/F942F07D-F26F-4D30-9285-B5F1E2B9C1B5/NDP462-KB3151800-x86-x64-AllOS-ENU.exe
The Universal C Runtime (CRT) update is essential for the .NET 4.6.2 binaries to operate.