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This occurs if you inadvertently ran the web installer instead of the offline installer while disconnected from the internet. Double-check that your file size matches the full offline package (~60 MB). Download Microsoft Net Framework 4.6 2 Offline Installer
Eliminates the risk of installation failure due to internet interruptions. Key Features and Improvements in .NET Framework 4.6.2 11:52 PM
While Microsoft provides a web installer that downloads components during installation, it requires a stable, active internet connection. For environments with limited connectivity, multiple deployments, or strict firewall restrictions, the standalone offline installer is the most reliable choice. What is the .NET Framework 4.6.2 Offline Installer? it requires a stable