Maintenance for the week of March 25:
• [COMPLETE] ESO Store and Account System for maintenance – March 28, 9:00AM EDT (13:00 UTC) - 12:00PM EDT (16:00 UTC)
Clear your browser history, cache and cookies, then try logging in again.
Try a different browser.
This error is sometimes linked to special characters being used in the username and/or password.
If you are in the process of creating an account using special characters we would advise you to remove them and try again. Changing the security question and answer may also resolve the issue.
If you have already created an account with special characters in your password, please change your password here and try again.
If neither of these steps help, please open a ticket with customer support.