I changed my user ID now the game pesters me to upgrade every time I login to the game... it's getting annoying. I am not going to upgrade to Elsweyr when it's going to be made free to ESO plus in 2 weeks...
Thank you for the screenshot. There may be an entitlement issue on your account causing this window to continually pop up. If you've not done so yet, please go ahead and start a ticket with customer support.