Which browser are you using? OS (W10, W11, MAC)?
Try a different browser. And make sure you are logged out at the second computer as you can't be logged in at the same time elsewhere.
________
Sometimes a browser's settings are set to the most rigorous/secure....and that can block some operations (not sure it should really affect the login though)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*
