If you encounter this issue and want to get rid of completely and easily, you can look through this article to get best removal guide.
Warning-windows-virus-found.com is a nasty browser hijacker
As is seen, this pop-up misleads computer users that their systems have found multiple viruses. It aims at urging computer users to contact its tech support helpline. This kind of scam has been known to many users who will never be cheated. Now the biggest is how to get rid of these constant popups.
Why can warning-windows-virus-found.com display popups to your Internet Explorer, Google Chrome or Mozilla Firefox? That is because it has changed your homepage and many other browser settings. There may be some plugins or adware supporting this browser hijacker. One thing you should know is that this popup can a channel through which malware can easily get in your PC. You should remove it from your machine immediately to avoid more troubles.