(Image B)   My email address pops up. That's it. Sometimes, If I click around a second page will pop up and

A: All these problems started after the new email version was installed, in-other-words, when the old version was updated! B: All of my email that was in my account / on my computer seem to be be there as far as I can tell. I can get to them, I can open them and see their contents. C: All is ok up til this point...as mentioned above and no new email has arrived. D: Now, as soon as I click on the "Get Messages" (Icon, looks like a cloud) in the upper left corner, is when I the Yahoo page of some sort pops on the screen, that's it. No mail arrives and I'm stuck with the Yahoo page covering most of the screen. E: I can click click around and try entering my email address but when I click on F: I see that images can be attached, and hope it works. My screen are,1920 x 1080, so I'll try and reduce the size of the images when I attach them. G: (Image A) After I inter my email address the red wording pops up. (Image B) My email address pops up. That's it. Sometimes, If I click around a second page will pop up and it becomes vicious circle and normally going back to the first page. (Note: A image) [about:blank] ??? Other pages have an address??? H. In these 4 days I have changed, added, deleted, used my Mozilla Reset Key, and this morning, per Mozilla's - Thunderbird's request, created another Reset key. Still no email. I do believe If this Yahoo thing was gone my email might start, just a guess now. H. Will all of the email that has not arrive still be available?? I. Almost forgot to mention. I receive and send my email through Thunderbird, and Yahoo & AT&T. Thanks, Bob Miller And, "Yes" please email or call, anytime day or night. I am getting a few emails on my phone. miller.485@sbcglobal.net P.S...."Somethings Wrong" :-( Again, thanks for your help!