How to check your Windows PC for expiring security certificates - a big one is ending soon ...

This article describes how to enable Secure Boot to install Windows 11. How Do I Enable Secure Boot? The easiest way to enable Secure Boot is to do so through UEFI. It's typically listed as one of the ...

Microsoft is rolling out "Secure Boot Allowed Key Exchange Key (KEK) Update," which requires a system reboot to finish ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

Microsoft confirms systems without updated Secure Boot certificates will boot normally but lose some security protections.

Secure Boot is an industry standard for ensuring that Windows devices don’t load malicious firmware or software during the startup process. If you have it turned on—as you should in most cases, and it ...

It sounds to me like claiming that all old Windows versions will be unbootable is an overstatement. Rather, it's most likely the case that you won't be able to boot old media when Secure Boot is ...

Microsoft urges Windows Server admins to prepare for Secure Boot certificate updates. Expiring 2011 Secure Boot certificates in June 2026 require proactive remediation. Updated firmware trust chains ...

Update 1/22/23: Title updated as MSI intentionally changed this setting as per statement below. Over 290 MSI motherboards are reportedly affected by an insecure default UEFI Secure Boot setting ...