Hosts Blocker works by updating the Windows default hosts file with external information on potential online threats.While the benefits of having an active Internet connection can hardly be overstated, browsing online resources can sometimes have significant negative repercussions on users. From nagging pop-ups to adware and even malware, all these elements can disrupt one's online experience and even damage the system configuration. To avoid such situations, Hosts Block offers a simple and practical protective solution.When browsing online, these domain entries are automatically blocked by Windows, thus allowing one an ad-free Internet experience.Hosts Blocker Features: Active Protection: Malware wont be able to change the hosts file Hosts file backup encryption Enable/Disable host file Exclusion list Ability to have custom hosts file sources Built in updater for hosts file. Edit Hosts file from with in the main UI Email Alerts for Active Protection and Program Updates True set and forget program, Just install and your done.