Unable to Uninstall NIS 2009

I've tried uninstalling it through >>Control Panel>>Add/Remove Program

Nothing happens after clicking the remove button and I have also downloaded the Norton Product Removal Tool for 2008/9 products

 

After the removal tool successfully extracts, nothing happens either.

Need some good piece of advice here as NIS 2009 is severly slowing down my system, I see a need to uninstall.