if u r not comfy with the registry : winxp manager has the best and the easiest rt-click options manager (add/deleter) imo.
but if u r refering 2 d quicklaunch on the rt side of the start button, then jst rt clk on the unwanted icon and delet it.
*i144.photobucket.com/albums/r168/happyandy/SigBar.gif