Problems occur in the Create Unit Tests wizard

Problems occur in the Create Unit Tests wizard when you create a unit test for a method in a solution that contains a GDR project, a Silverlight project, or a WIX project in Visual Studio 2008 Service Pack 1

KB Article ID: 962866

Consider the following scenario
You open a solution that contains one of the following projects in Microsoft Visual Studio 2008 Service Pack 1:

• A Microsoft Visual Studio 2008 Team System Database Edition GDR project
• A Microsoft Silverlight project
• A Windows Installer XML (WIX) project

Then, you open a source file, right-click a public method, and then select the Create Unit Tests item. In this scenario, the Create Unit Tests wizard starts. However, the following problems occur in the Create Unit Tests wizard:

• There are no type lists in the Types panel.
• The Output project list is missing.
• When you click the Settings button, the wizard closes immediately.
• The OK button is unavailable.

You can download the fix here.