I know that yahoo doesn't have photos anymore, but when I get an email with attachment it saves them to my pc?

How do I stop that?

I know that yahoo doesn't have photos anymore, but when I get an email with attachment it saves them to my pc?
You mean in My Attachments/My Photos, well those go there from your email, if you don't want them there then you need to delete the email they came in. If you want to keep the pics, then right click on the pic, then click Save as, it will send the pic to your computers My Pictures that you access from the start button at the bottom left screen. If you don't want them at all just delete the email. And don't forget to empty the trash or they will stay.