How to Stop Ads by Rocket Deal - Removal Tips for Rocket Deal Ads

I am trying to repair my grandaughters laptop every time she go's on the internet a full screen popup opens it says ads by rocket deal.She is using a hp pavillion with win 7 home premium microsoft security essentials can anyone help. 

Information of Rocket Deal

Rocket Deal is an ad-supported browser extension which can be classified as adware. This adware can slip into the computer along with suspicious downloads from the Internet. Once gets into the computer, Rocket Deal will compromise your browser and modify browser setting. When you surf the Internet, Rocket Deal is capable to generate a lot of pop-up ads to show on the webpage you are visiting.