If you Windows Desktop icon is disappeared , there is a quick way to restore it.
Follow the steps bellow:

  • Open Notepad
  • Paste the text bellow
  • [Shell]
    Command=2
    IconFile=explorer.exe,3
    [Taskbar]
    Command=ToggleDesktop
  • Save the file as Desktop.scf and drag it to your Quick Launch bar

Note: If you can’t place it you Quick Launch bar may be locked.
To unlock it :Right click on it , and remove selection from “Lock The Task Bar”