Hey Hadam,
thanks for the reply. However that is not the problem. I neither reinstalled nor updated. I simply want to close that message and get rid of it. But every time I click the close button, it pops up right after I reload the page or navigate to another page within the WordPress dashboard.
And I will not click on “Sure! I want to get the latest news.” Because I don’t want no newsletter. I want this message to go away.