To add a shortcut to the Quick Launch toolbar, drag an item to the Quick Launch toolbar. To remove a shortcut from the Quick Launch toolbar, drag the shortcut from the toolbar to the Recycle Bin.

You can also access Quick Launch Folder By typing this line in "Run"
C:\Documents and Settings\%username%\Application Data\Microsoft\Internet Explorer\Quick Launch
51cd1613-03e6-48e8-bbbe-01fd65afd898|0|.0