Microsoft has confirmed that Secure Boot certificate updates are failing or being blocked on some Windows 11 PCs.
Hardware failure isn't always easy to spot.
The first step that you should do is perform a hard reset. Sometimes, the problem occurs due to the residual charge. In this case, hard resetting your PC can help to fix this issue. This process will ...
Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...
Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June and October 2026. Most PC owners are fine if they install the latest updates. Last year's ...
Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent ...
A major change is coming to Windows that neither individual users nor IT admins can ignore. Here’s how to prepare. Microsoft is preparing to make a significant change to the Secure Boot system in ...
Certain older devices that cannot receive updates via their OEM may not be able to install the latest Secure Boot certificate ...