Secure Boot Certificates
The latest Secure Boot Certificates coverage — news, analysis, and updates from the WindowsNews.AI desk.
Windows Autopatch adds Secure Boot status report with certificate health alerts
Microsoft has shipped a significant enhancement to Windows Autopatch, delivering a new Secure Boot status report that gives Intune administrators device-level insight into certificate readiness,...
0x80010002 bug locks Windows 11 out of March–May 2026 updates after February install
Microsoft has confirmed a new known issue in Windows 11 where the Settings app fails to download updates released after February 2026, throwing error code 0x80010002. The bug, added to the...
May 2026 Windows Update preps Secure Boot for critical certificate rotation
Microsoft’s May 2026 Patch Tuesday update (KB5031000) has begun rolling out the most significant Secure Boot certificate transition since the UEFI CA rotation in 2023. With the current Secure Boot...
Microsoft Confirms C:\Windows\SecureBoot Folder is Safe, Part of KB5089549 Security Update
Microsoft has officially addressed the sudden appearance of a new C:\Windows\SecureBoot folder after installing the Windows 11 May 2026 cumulative update, KB5089549. The company confirms the folder...
KB5089591: May 2026 Safe OS Update Warns Secure Boot Certificates Expire June 2026
Microsoft shipped KB5089591 on May 12, 2026, targeting Windows 11 version 26H1 with a double-barreled update: routine enhancements for the Windows Recovery Environment and a fresh reminder that the...
Google Pushes ChromeOS Flex as Lifeline for Windows 10 PCs Facing 2025 Deadline and 2026 Secure Boot Shakeup
Windows 10 will stop receiving free security updates on October 14, 2025. After that date, devices that can't or won't migrate to Windows 11 are left exposed to new vulnerabilities—unless their...
Windows 11 April 2026 Update Adds 2-3 Reboots for Secure Boot Key Refresh
If your Windows 11 PC restarts two or three times while installing the April 2026 update, don't panic. Microsoft has confirmed that this extra reboot cycle is expected behavior caused by a Secure...
Secure Boot Warning Escalates May 2026—Update Firmware Now to Avoid Failure
Microsoft will begin displaying escalating Secure Boot certificate warnings in Windows Security starting May 13, 2026 for Windows 10, and May 16, 2026 for Windows 11. The alerts target PCs that have...
Windows 11 KB5083631/KB5083769 extra reboot required for Secure Boot cert update
Microsoft has confirmed that Windows 11 updates KB5083631 and KB5083769 may trigger an additional system restart during installation. The culprit isn’t a bug—it’s a behind-the-scenes Secure...
April 2026 Secure Boot Certificate Expiration: What Windows Users Need to Know
Microsoft's April 2026 Patch Tuesday includes a critical security shift that could leave some Windows systems unable to boot properly. The company is replacing Secure Boot certificates that have been...
April 2026 Patch Tuesday: Windows Security App Gains Secure Boot Trust Status
Microsoft's April 2026 security updates introduce a fundamental change to how Windows communicates Secure Boot status to users. The Windows Security app now displays a "Trust Status" indicator for...
KB5083769 Addresses 45 Flaws, Tightens Secure Boot and RDP Security in April 2026 Update
Microsoft's April 2026 Patch Tuesday delivered KB5083769, a security update for Windows 11 24H2 and 25H2 that addresses critical vulnerabilities while introducing significant changes to Secure Boot...