Hello B,
Welcome to Microsoft Q&A forum.
Before we proceed further, may I know if the issue happens only in the website or in other Microsoft apps and games?
In the meantime, please try and follow this quick fix:
- Type "Credentials manager" in the search bar and press Enter.
- Go to "Windows Credentials"
- Remove all entries related to your account or contains login.live.com
- Restart your computer.
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