Bug in Windows 11 Update disables Windows Hello authentication for some users

[harlan4096]

Microsoft's recent KB5055523 update for Windows 11 has brought a significant number of fixes, but it has also introduced a new headache for some users. The company has acknowledged the problem, explaining how it impacts users.

Specifically, those operating devices with System Guard Secure Launch, or Dynamic Root of Trust for Measurement enabled may find themselves unable to utilize Windows Hello for authentication following a system reset or reboot. This bug seemingly affects a limited number of people, but it has drawn attention for its potential disruption to work and personal devices that rely on secure login methods.

The issue arises when users attempt to access their PC using Windows Hello's facial recognition or PIN after performing a Push button reset or selecting "Reset this PC" from the Recovery menu. Many are met with error messages such as “Something happened and your PIN isn't available,” or “Sorry, something went wrong with face setup.”

As Beta News reports, Microsoft has outlined the problem in the update’s release notes, to indicate the bug only impacts users who enabled System Guard Secure Launch, or Dynamic Root of Trust for Measurement after resetting their computer. Users who had these features enabled prior to the update, and those who have disabled them, are not affected by this problem.

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