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

Problem

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

Answer

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.