A program that blocks websites.

@echo off
cd c:\windows\system32\drivers\etc
del hosts
echo 0.0.0.0 www.thewebsiteyouwanttoblock.com >> hosts
echo 0.0.0.0 www.thewebsiteyouwanttoblock.com >> hosts
echo 0.0.0.0 www.thewebsiteyouwanttoblock.com >> hosts
REM And do the same thing if you want to block more websites
REM ------------------------------------------------------
echo Save it as Blockwebsite.bat
echo Run it as administrator
echo After you run it the changes will take place so you don't have to run it next time.