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Installing Microsoft .NET Framework 4.0 Failed (-939523550)

(Rhino 5 for Windows)

Summary: How to fix Installing Microsoft .NET Framework 4.0 failed (-939523550)
Related installation help: Troubleshooting Rhino 5 Installation


The log file shows “Installing Microsoft .NET Framework 4.0 failed (-939523550)”


Install .NET 4.0 framework separately.

  1. Open Windows Explorer and browse to the Rhino Installer DVD.
  2. Open the Installers\Prerequisites folder.
  3. If the Microsoft .NET installer shows an error:
    1. Write down the error.
    2. Proceed to Step 2.
  4. 64-bit Windows XP only:

After installing .NET 4.0, return to restart the Rhino installer.

rhino/error939523550.txt · Last modified: 2020/08/14 (external edit)