Burn shows up because that bar is designed to show the options that you'd get in the top section of a context menu. If you don't have anything selected you onl

Burn shows up because that bar is designed to show the options that you'd get in the top section of a context menu. If you don't have anything selected you only get Organize and New folder. If you select a PDF you get Open with X, Print, and E-mail added. Because every file can technically be "burned" when you have a CD burner it shows up all over the place.