AllowBlock lets you to create a list that contains the sites that can be opened in your computer and the ones that are forbidden. When a user attempts to access a webpage that is blocked, the application will automatically block the content inside of that page and close the window. This is useful to monitor your children’s online activity and stop them from entering sites that can be dangerous for them or for your equipment. Its settings can be protected with a password avoiding other users to modify them or to disable. It’s compatible with all versions of Windows OS.