I am not able to uninstall a pc pro...

This problem is caused due to a fake spyware remover called Pc Defender -- Steps you can try --
1. Open task manager and end the process related to Pc defender ..
2. Look for the same program in application data and remove it.
3.all check the program file and remove this program
4.If you comfortable using registry please remove the entries from registry .

Or you can use the below which will defintely resolve the issue.

http://siri.geekstogo.com/SmitfraudFix.php

hello .

you might like to read here on this
How to remove WinPC Defender or Remove WinPC Defender (Removal info) For XP/Vista

these links will help you rtemove the unwanted programe also download ccleaner from here

CCleaner - Home

run ccleaner update it and let it do its job when you uninstall winpc .

riz.