How to restore the Show Desktop button in the Win7 taskbar

In general, we are accustomed to simply click the "Show Desktop" button in the Quick Launch bar in the taskbar to minimize all windows, especially if you open a lot of windows to minimize all open windows even more annoying locks. However, this "Show desktop" button is often disappearing, at this time in addition to pressing the shortcut key windows+d, how can we restore this display Desktop button ?

Operation Steps

1, first open Windows7 Start the dialog box. (You can press win+r shortcut key to open)

2, and then in the Open "Run" Command dialog box input: regsvr32/n/i:u shell32 Command, enter the completion of the click "OK" button.

3, enter the command and click "OK" button, after which will pop up Dlllinstall in Shelll32 has successfully prompted the dialog box.

3, then we click OK, then we can see the windows7 in the taskbar "Show desktop" button back.