Microsoft is also updating the Windows Security app with a status indicator that will let users know whether their Windows 10 ...

Windows Secure Boot Certificates From 2011 Will Be Expiring Soon. What You Need to Know ...

Microsoft's 2011 Secure Boot certificates expire June 2026, leaving millions of Windows 10 PCs vulnerable to boot-level ...

Windows 10 and Windows 11 rely on three security certificates that begin expiring from June 2026, with additional expirations later in 2026. Microsoft is treating this as a broad, ecosystem-level ...

Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

You may see the “Secure Boot can be enabled when System in User Mode” error message while enabling the Secure Boot on your device. If you want to install Windows ...