Microsoft is pushing out a fix to a bigger number of affected computers, but your PC may need your help to receive them.

Microsoft has confirmed that Secure Boot certificate updates are failing or being blocked on some Windows 11 PCs.

PCWorld explains Windows Secure Boot as a critical security feature that acts like a checkpoint, verifying software before Windows loads to prevent bootkit malware infections. The 2011 Secure Boot ...

The clock is ticking for Windows and Linux users to update cryptographic keys that protect their systems against firmware-based UEFI infections, a pernicious form of malware that loads before ...

This article highlights the issues that older computer systems will encounter when the Secure Boot Certificate expires ...

HP, Dell, ASUS, Lenovo, MSI and Acer have published Secure Boot certificate guides. Here's what each PC manufacturer says you ...

HP, Dell, ASUS, Lenovo, MSI, Acer, Samsung, LG, and Surface have published Secure Boot guidance as Microsoft's 2011 ...

SteamOS update from Valve adds support for more gaming PCs with AMD discrete GPUs, giving PC gamers more reason to consider ...

Data centers have become the foundation of modern digital infrastructure, but one of their most critical security layers ...

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

Certificate Expiration: The KEK CA 2011 certificate expired on June 24, 2026, stopping unpatched systems from receiving new Secure Boot revocations. Trust Chain Preservation: The update replaces 2011 ...

Millions of PCs running Windows face a ticking clock as certificates that anchor the Secure Boot trust chain are set to ...