====== .NET Framework 4 Installer Error====== 
======(exit code -2145124330) ======

> **Summary:** //.NET Framework 4.0 installer gets an error while installing (exit code -2145124330)//
> **Related installation help:** //[[/rhino/installproblems|Troubleshooting Rhino 5 Installation]]//

**Solution**\\ Repair .NET Framework before installing Rhino 5.
  - Download [[http://www.microsoft.com/en-us/download/details.aspx?id=30135|Microsoft .NET Framework Repair Tool]].
  - Run the repair tool.
  - Keep clicking the **Next** button until you get only one **Finish** button to click.
  - Install Rhino 5 again.

**Note:** If this repair tool doesn't fix the problem, you can also try the [[http://wiki.mcneel.com/rhino/rhino5/dotnet4_not_recognized|.NET Framework Cleanup tool]].

{{tag>rhino5installationerror_en}}