Windows’ original Secure Boot certificates expire in June—here’s what you need to do

One of those was UEFI Secure Boot, a mechanism for verifying PC bootloaders to ensure that unverified software can’t be loaded at startup. Secure Boot was enabled but technically optional for Windows ...

Older Windows 11 PCs need a Secure Boot fix ASAP

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

Microsoft is refreshing Secure Boot certificates, so you might need to update Windows

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

How to check if Windows 11 has applied the new Secure Boot 2023 certificates (replaces Secure Boot 2011)

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.
CNET

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

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.
WEBTECH 360

Solving GPT Disk Not Recognized in Windows 11 BIOS

Struggling with GPT disk not recognized in Windows 11 BIOS? Discover proven steps to resolve this issue quickly and get your ...