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Problems installing ART with Scream on Windows 10


If you choose to install ART 3 along with Scream on a Windows 10 PC, you may see an error message saying that the .NET Framework is not installed. This can be misleading because it can occur even when the one or more versions of .NET are are already installed.

The error arises because ART 3 depends on a version of the MatLab™ Compiler Run-time (MCR) which, in turn, depends on the .NET 3.5 Framework. Recent versions of Windows 10 include other versions of .NET, but not 3.5. Fortunately, it is easy to download and enable the required version alongside any other version which may be installed. This can be done without affecting other programs which may rely on different versions. This document explains how.

Installing the .NET 3.5 framework

To install and enable the .NET 3.5 framework, type

Turn Windows features on or off

into the Windows search box and then click on the Control panel item, as shown:

screen-shot of Windows search box

The following window opens:

Windows features window with .NET 3.5 disabled

Locate the entry for .NET Framework 3.5 (includes .NET 2.0 and 3.0) and click in the empty box (Indicator when component is not installed) next to it. The box will then be shown with a black square (Indicator when component is partially installed) in it:

Windows features window with .NET 3.5 partially enabled

Click the OK button to install the framework. You may be asked to download additional software: follow the on-screen prompts as they appear.

Once the framework is installed, repeat the Scream installation. If this doesn't solve the problem, please contact for help.

(This YouTube video shows a slightly different but essentially equivalent method of installing the framework.)