Microsoft has released the KB5073724 extended security update to fix the Patch Tuesday security updates, including 3 zero-days and a fix for expiring Secure Boot certificates. Microsoft is no longer ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...

Microsoft says impacted devices suffered boot failures after installing the January 13, 2026, security update KB5074109 or later updates, displaying a black screen and the message: "Your device ran ...

Microsoft is investigating reports that its January 2026 security updates are leaving some Windows 11 machines stuck in a boot loop, adding another entry to this month's bumper post–Patch Tuesday ...