Google Malwarebytes and download their free one. It will take care of whatever is in your machine that should not be. Apparently somewhere along the line you picked up something that is tracking you and sending pop ups.
Also, if you get any advertising emails of stuff you don't want to see, don't just delete them. Go through the ad and usually at the bottom there is a place to unsubscribe. Do that also. You may be getting these things from one passing on to the other.