What is "banner.js from na.ads.yahoo.com" pop-up?
"banner.js from na.ads.yahoo.com" pop-up caused by adware or PUP which often get into your computer without knowledge and permission. It is developed to elicit you into the trips by generating various endless pop-ups and ads and display on your screen constantly. If you do not take action to remove it in time, it may cause numerous unwanted troubles or problems on your PC.