Win7 Start menu messed up how to recover?

1. Although the start of chaos we still have to solve from here, we click on the "Start" menu.

2. Then in the beginning, right-click the menu space, and then click "Properties" in the pop-up menu as shown in the following image.

3. Then in the pop-up dialog we click on the "Start Menu" tab, as shown in the following figure.

4. We click on the "Customize" button as shown in the entry to this area.

5. Then go to the custom dialog box, we find the "Use default settings" in the following figure and then click the OK button.

After that, you'll find your Start menu back to the original.