Lots of unwanted pop-ups and annoying ads in your browser is a sign that an potentially unwanted program (PUP) or adware installed on your personal computer. To detect and remove an adware and pups i suggest to use Malwarebytes and AdwCleaner. Please read and follow the step-by-step instructions on How to remove pop-up ads http://www.myantispyware.com/2017/02/19/how-to-remove-pop-up-ads-chrome-firefox-ie-opera-edge/.