Block any app of Windows

you can block any application of your window7/8 just a click only, and it's very
easy cos you don't need to install any application for the same. it is a freeware and portable.
you just need to set a password and apply on the application that you want to block.


Download Link:
http://www.sordum.com/dns_jumper/downloads8.php

it's 100% working and freeware.