In android provides pop up for advertising when we are using net on browser. Many advertisement may be virus or may be to hang your phone.  

Here I am telling you to remove pop-up from browser.

1.      Launch your browser. Here I am open Google chrome browser.

2.      Open menu from you browser 

3.      Scroll menu and select Setting options

4.      After select Settings. Now open Site setting. Now will be open an another menu tem.

5.      Here you will be find that Pop-up is allowed or blocked. If pop-up is allowed then you need to block it. For blocked it open Pop-ups

6.      On click in Pop-ups it will be blocked. After clicked in Pop-ups options your unwanted popups will be blocked.