To answer this question, you need to have a basic understanding of the windows that are typically displayed on start-up in a programming environment. Let's go through each option to understand which window is not displayed:
Option A) The Class window - This option is incorrect because the Class window is typically displayed on start-up in a programming environment. The Class window allows you to view and edit the classes in your project.
Option B) The Project window - This option is incorrect because the Project window is typically displayed on start-up in a programming environment. The Project window provides an overview of the files and resources in your project.
Option C) The Properties window - This option is incorrect because the Properties window is typically displayed on start-up in a programming environment. The Properties window allows you to view and modify the properties of the selected object or control.
Option D) The Blank Form window - This option is correct because the Blank Form window is not typically displayed on start-up in a programming environment. The Blank Form window is only displayed when you create or open a form in your project.
The correct answer is D) The Blank Form window. This option is correct because it is the only window that is not displayed on start-up in a programming environment.