Return code 0 = success, 3010 = success (reboot pending), 1603 = fatal error. 4. Troubleshooting Common Failures Error: "This operating system is not supported" Cause: You’re trying to install on Windows XP or Vista (not supported). Fix: Upgrade to Windows 7 SP1, Windows 8.1, Windows 10 (older builds), Windows Server 2008 R2 SP1, or higher. Error: "Blocked by Windows Update – need KB2919355" On Windows 8.1 / Server 2012 R2: 4.6.2 requires the Windows 8.1 Update (KB2919355) . Install it first from Microsoft Catalog, reboot, then run the 4.6.2 offline installer. Error: "Installation failed with 0x800713ec – .NET already installed" Meaning: A newer version (4.7, 4.8) is present. .NET is backward compatible – you do not need 4.6.2 if you have 4.8 installed. Your app should run fine. Error: "Hash mismatch / Publisher unknown" Your download is corrupted or tampered with. Fix: Right-click the .exe → Properties → Digital Signatures tab. Verify it says "Microsoft Corporation" and the signature is valid. 5. Frequently Asked Questions Q: Is .NET 4.6.2 still supported by Microsoft? A: No. Mainstream support ended April 2018, extended support ended April 2023. It receives no security updates. Use only if required by legacy software.
A: Yes. They are side-by-side versions. 4.8 does not replace or remove 4.6.2. framework 4.6.2 offline installer
| | Command | | :--- | :--- | | Basic silent install | NDP462-KB3151800-x86-x64-AllOS-ENU.exe /q /norestart | | Silent + suppress reboot | ... /q /norestart | | Silent + force reboot later | ... /q /norestart /ChainingPackage ADMINDEPLOYMENT | | Extract files only (no install) | ... /x:c:\temp\dotnet462 | Return code 0 = success, 3010 = success
While Microsoft wants you to use newer versions (4.8+), many enterprise environments still rely on . The catch? The web installer often fails on air-gapped machines, slow corporate networks, or Windows 7/Server 2008 R2 systems. Fix: Upgrade to Windows 7 SP1, Windows 8