If you're having issues logging in with a valid password, you may need to clear your browser cookies. Information for clearing them here:

• Chrome: https://support.google.com/accounts/answer/32050
• Firefox: https://support.mozilla.org/en-US/kb/delete-cookies-remove-info-websites-stored
• IE/Edge: https://privacy.microsoft.com/en-us/windows-10-microsoft-edge-and-privacy or https://support.microsoft.com/en-us/help/278835/how-to-delete-cookie-files-in-internet-explorer
• Safari: https://support.apple.com/guide/safari/manage-cookies-and-website-data-sfri11471/mac

You may also click on the following link to clear USTOA cookies if above fixes are still not effective: https://ustoa.com/clear-cookies