The lightweight program is very simple to use and absolutely no advanced knowledge is required to employ it. Specifically, the application works by updating the Windows default hosts file with external information on potential online threats.
http://www.softpedia.com/get/Internet/Popup-Ad-Spyware-Blockers/Hosts-Block.shtml
http://www.wilderssecurity.com/threads/hosts-block.378901/
http://www.softpedia.com/get/Internet/Popup-Ad-Spyware-Blockers/Hosts-Block.shtml
http://www.wilderssecurity.com/threads/hosts-block.378901/