My son and I have been on Google Chrome for some time.  Now all of a sudden we are getting Porno pics of naked woman flashing at the bottom of our screen. Every time my 13 year old goes on to read his mail..he has this flashing porno in his face.  I had deleted our  Chrome account  thinking it would delete the porn but we have just rejoined to find it's still there on our front page.  Please could you tell us how we can get rid of it ...if we cannot then I will be deleting Google Chrome for good.

Thanks 

Stephanie