Some users have complained about this problem that when they start their computer, it doesn’t boot. Instead, a Default Boot Device Missing or Boot Failed blue ...

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

Microsoft is in the middle of a Secure Boot certificate transition that many users will not notice until it becomes a problem. Several long-standing certificates used by Windows devices are ...

Microsoft has announced it will deliver new Secure Boot certificates via Windows Update starting March 2026 before 2011 ...

Microsoft is reminding users that the Secure Boot ecosystem will soon require a mandatory check-up. The Redmond-backed security protocol, part of the UEFI specification and primarily ...

Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just ...

Your PC's critical security certificates may be about to expire - how to check ...

Microsoft is preparing to roll out new Secure Boot certificates via Windows Update to keep old PCs protected from boot‑level ...

Secure Boot certificate upgrades is bad news for Windows 10 ...

Microsoft will roll out new Secure Boot certificates for Windows users starting June, as the old certificates will expire.

If you're still using Windows 10, another critical defence in its security protections will expire soon. Microsoft is retiring Security Boot — a feature focused on blocking "untrusted code" so your ...