Windows Live Mail is an email client application that was a part of the Windows Live Essentials suite. Microsoft stopped Windows Live Mail, but users can continue to access Windows Mail or Outlook's Windows Live mail emails.
When you try to send or receive emails on Windows Live Mail, you might face the authentication error. The error occurs due to incorrect email server settings and authentication settings. We use IMAP or POP for receiving email and SMTP for sending an email, and the settings have to be right for the email client to work.
Read more on the fixes for the Windows Live Mail authentication failed error.
Solution-1: Check the email server settings
Solution-2: Restart the app
If you need a remote assistance to fix the Windows Live Mail authentication failed. Click the call button available on the screen.
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