The OP is showing the Windows 8 File Manager. I believe the lock option is only in the browser? (or the windows 7 file manager)
But, his problem and comment intrigued me. You may have the solution. I have always had that line in Windows 8 File manager. But, in Windows 7, the layout was totally different and, of course, the line was not there. I wonder if the user has not been using the Windows 7 file manager, through a third part fix, and the nephew has reverted to the Windows 8 version??
( I think the "Classic" start menu has that option?)