Hi Bill Pellegrini,
Thanks for sharing the details. I understand how frustrating it can be when the lockout keeps returning, so I’d like to help narrow down what may be triggering it.
Could you confirm whether the affected sign-in is a Microsoft account, local account, or work/school account, and whether the PC is personally owned or organization-managed?
Please also let me know:
- Whether the password works when the PIN fails
- Whether the account works through a browser or on another device
- Whether this began after a password change, Windows update or security software change
- Whether Remote Desktop, a VPN, mapped drives or another device may still be using an old password
- Your Windows version and build by pressing Windows + R, entering winver and sharing the result
Since another administrator account is available, check Control Panel > Credential Manager > Windows Credentials for outdated credentials related to network shares, mapped drives or Remote Desktop. Remove only entries you recognize and can recreate.
If the issue continues, try signing in through Safe Mode with Networking using the account password. PIN and biometric sign-in are unavailable in Safe Mode. If the account works reliably there, this may help identify a startup service or third-party application as the cause.
If this is a work or school account, please contact the organization’s IT administrator, as the lockout may be controlled by an organizational policy or caused by another connected device or service. Avoid disconnecting a managed account without the administrator’s guidance.
I hope this helps narrow down the cause. Please let me know what you find.
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