certificate update

Microsoft’s March 10, 2026 cumulative update for Windows 11 (KB5078883, OS Build 22631.6783) is deceptively simple in its changelog but consequential in practice: alongside routine security hardening and reliability fixes, Microsoft has accelerated and expanded a coordinated rollout that...

Microsoft has issued a platform-level warning: the Secure Boot certificates first issued around 2011 that underpin Windows’ pre-boot trust model begin expiring in June 2026, and although most updated systems will continue to boot, devices that do not receive the replacement certificate family...

Microsoft has quietly begun a platform-level refresh of the cryptographic anchors that protect Windows’ pre‑boot environment, delivering new Secure Boot certificates through Windows Update and coordinated OEM firmware work to head off a calendar‑driven failure when Microsoft’s original UEFI...

Windows 10 users who think “it still boots, so I’m fine” are being handed a quietly serious maintenance problem: Microsoft is replacing the Secure Boot certificates that have underpinned Windows’ pre‑boot trust model since 2011, and machines that don’t receive the new certificates will continue...

Microsoft has issued a coordinated warning: the original Secure Boot certificates that have underpinned Windows platform integrity since 2011 are reaching the end of their lifecycle, and a deliberate, ecosystem-wide refresh is required before mid‑2026 to avoid a progressive loss of...

Microsoft’s February 10, 2026 cumulative update, KB5075941 (OS Build 22631.6649), is notable less for the routine security and stability fixes it delivers than for the way it ties into a looming platform-wide event: the scheduled expiration of Microsoft’s Secure Boot certificates that begins in...

If you own a Windows PC made since 2011, your machine is part of a global certificate rollover that must complete before critical Secure Boot certificates begin expiring in mid‑2026 — and there are simple checks and concrete steps you can take today to confirm your system is ready. Background...

IT administrators now have practical, fleet-scale ways to check whether Windows devices are carrying the updated Secure Boot certificate chain and whether they’re ready to accept the upcoming Secure Boot updates — a crucial capability as Microsoft and OEMs rotate the platform’s cryptographic...

Microsoft has started an automated, phased replacement of expiring Secure Boot certificates on eligible Windows 11 systems, a preventative move to avoid widespread boot‑level serviceability and security loss when long‑running Microsoft certificates issued circa 2011 begin to expire in mid‑2026...

Pocket‑lint’s short, practical checklist for speeding up Windows 11’s File Explorer is the kind of hands‑on guidance that saves time and frustration: clear Explorer caches, turn off Quick Access, tame indexing, apply a targeted Registry tweak to stop folder sniffing, and—if you still need...