Using Yahoo email on a W10 desktop I run into this situation perhaps once a day: one of my incoming emails fails to display.
I can switch to other incoming messages and they display fine. But the odd message will not display; Yahoo just spins its wheels but never displays it. Often I can retrieve the message a few minutes later, but occasionally the errant message never appears --- until I close the browser (Chrome) and then reopen it.
Does anyone see what might be happening here? ...batpark