Your issue may be because your browser has saved your password therefore you may try the following steps:
- Try to connect with another browser
- Please clear your cookies by following one of these procedures depending on your browser:
- Google Chrome: https://support.google.com/accounts/answer/32050?hl=en
- Firefox: https://support.mozilla.org/en-US/kb/delete-cookies-remove-info-websites-stored
- Internet Explorer : https://support.microsoft.com/en-us/help/17442/windows-internet-explorer-delete-manage-cookies
- Microsoft Edge: https://support.microsoft.com/en-us/microsoft-edge/delete-cookies-in-microsoft-edge-63947406-40ac-c3b8-57b9-2a946a29ae09
- Safari: Clear cookies in Safari on Mac - Apple Support
- Please change your password after having performed the above steps and try to connect again:How to change/reset my EU Login password?
Note: that you will need to wait at least 24 hours between two password updates.