Users report that the latest Windows 11 update, KB5039212, is causing serious problems, including boot loops and system ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Microsoft has recently begun replacing expiring Secure Boot certificates on eligible Windows 11 systems running 24H2 and 25H2 ...

Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

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

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 security updates, with the fix ...

Windows systems are heading toward a trust-chain maintenance event that’s easy to overlook until it breaks something. Windows 10 and Windows 11 rely on three security certificates that begin expiring ...

Microsoft adds a Secure Boot status report to Intune, helping IT admins track certificate updates and reduce security risks.

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 ...

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

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