How to Remove "Threat has been detected" Pop-up Message

Your Avast starts blaring sirens - "threat has been detected" pop-up window when you are browsing certain webpage? You still cannot block those annoying pop-up messages even many trials? See more about here.

Overrun with "Threat has been detected" message pop ups

"Threat has been detected" message can pop up when your computer has been infected with some malware or malicious programs. It is a very annoying warning message that can show up whenever you are browsing. Like opening some certain sites like Youtube and other websites, you will get a "threat has been detecting message, infection URL:Mal" from Avast. And those pop-up messages can appear on many web browsers including Internet Explorer, Google Chrome, and Mozilla Firefox or any other web browsers.