How to Get 1-877-899-1824 Pop-up Scam Removed Completely?

Keep receiving 1-877-899-1824 pop-up on your browser and it says something like "Warning! Your computer has been blocked...Call Toll Free 1-877-899-1824 immediately to rectify this issue"? Do not be taken in! This pop-up is actually a tech support scam divided into adware type program.