Icon of uninstalled progam in control panel

Hello,

I installed Nero and some other software on my PC. Later on i uninstalled it. Now whenever i go back to the control panel, i c the icons still there. The mesaage that appears is as follws:
The feature that ur trying to use is on a network source that is unavailable; and the path shown is %Temp~0000\NERO1002529\unit_app_69\........

Plz help me guys .......

Cheers,
Keith