I have this problem with both Firefox and Edge, private mode or not. After logging at addons.mozilla.org, it's requiring me to setup 2-factor. I go through the process and everything is successful. It asks me to enter one recovery code to make sure I'll be able to login. I enter one and it shows on the top with a green background that 2-factor was setup successfully. But then nothing happens. No redirection or links. I try accessing the site in another browser and I have to go through the whole setup again which also appears successful, but then nothing happens. I attached the image that shows it was successful. I have no idea what to do since there is no error and I have the same problem across multiple browsers. Any suggestions?