This View command docks and sets the view in a stationary position when the item is selected (checked).
Click on View, and then select (check) Lock Windows. The checkmark sets the layout display and is not configurable.
To unlock windows, deselect (uncheck) the box next to the item. Refer to the Figures below.
To delete a window from the Default Layout, click on the X in the upper right corner of the window.
Note: The X in the upper right corner displays in all the windows when Lock Windows feature is not checked.