To re-create the Show desktop icon, follow these steps:
- Click Start, click Run, type notepadin the Openbox, and then click OK.
- Carefully copy and then paste the following text into the Notepad window:
- On the Filemenu, click Save As, and then save the file to your desktop as “Show desktop.scf”. The Show desktopicon is created on your desktop.
- Click and then drag the Show desktopicon to your Quick Launch toolbar.
Content Source = http://support.microsoft.com/kb/190355 (link includes Microsoft “Fix It” Solution)