In the backend it shows a fake fatal error to users with a specific email. Sometimes some users prefer investing their time on your website rather than focusing on their own business. They subscribe to your website, but they have strange interests. You understand they are not nice users, and you delete their account. They subscribe again. You delete their account, and they subscribe over again and again. With Fake Screen you don’t need to always delete their account, just add their email in the blacklist and when they try to log in, they will see a fake fatal error. I hope this plugin will help you to be less disturbed by this kind of user.