Just go to control Panel and then select the Taskbar and Start Menu icon.
Go to the start menu tab and then click customize.
Now, if you are using the normal start menu, then, press the clear list button, in the same window, and then go to the advanced tab and then click again the clear list button in this window.
If you use the classic start menu, then after clicking the customize button and the click the clear button.
Go to the start menu tab and then click customize.
Now, if you are using the normal start menu, then, press the clear list button, in the same window, and then go to the advanced tab and then click again the clear list button in this window.
If you use the classic start menu, then after clicking the customize button and the click the clear button.