No wonder it gets noisy

from here and here

It freaks my mother out whenever this happens to her. She can't keep all the pop-ups on her system straight so she doesn't know which ones not to click on. It's a real problem for older people, but also modern systems increasingly use the nag feature to convince you to do what the designers think you should do, and the more things there are nagging you, the harder it is for anyone to keep them all straight.