Ensure your PC boots safely before Secure Boot changes.

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

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 ...

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 ...

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that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems from 2011, which were superseded by their 2023 counterparts.

Your PC's critical security certificates may be about to expire - how to check ...

Microsoft is automatically replacing boot-level security certificates on Windows devices before they start expiring later this year. The new Secure Boot certificates will be rolled out as part of the ...

Is your PC not booting after updating BIOS? Some users have reported that they can’t boot their computers right after installing a BIOS update. While the issue is likely to occur due to a failed BIOS ...

Secure Boot protects your PC against bootkit malware. The Windows update refreshes expiring Secure Boot certificates. To install, head to Settings and select Windows Update. I typically advise Windows ...

Use these fixes if your Windows PC is stuck in a boot loop after a BIOS update. Before proceeding, disconnect all peripherals and check if your PC boots into Windows. Press and hold the power button ...