Secure Boot certificate updates are broken on some PCs, Microsoft confirms

On June 24th, several older Microsoft certificates expired, meaning that many Windows 10 and 11 users need to update their computers. Without properly updated certificates, Windows Secure Boot will ...

Secure Boot update blocked on some Windows 11 PCs due to known issues

Certain older devices that cannot receive updates via their OEM may not be able to install the latest Secure Boot certificate ...

A crucial Windows security certificate just expired - how to check your PC

A crucial Windows security certificate just expired - how to check your PC ...
Windows Latest

Microsoft and OEMs answer Windows 11 Secure Boot questions before the October deadline

Microsoft and OEMs fixed key Secure Boot certificate issues for IT admins at a live office hours event, covering BIOS updates ...
TWCN Tech News

What happens to older devices when Secure Boot Certificates expire

The older Secure Boot Certificates are expiring in June and October 2026. Microsoft has shared a timeline on its official websites showing which certificates are expiring in June and October 2026. The ...