Find the Secure Boot option and change it to Disabled. Save the changes and reboot again. We recommend keeping Secure Boot enabled unless you're sure it needs to be disabled. This article explains how ...

Microsoft is taking its time with the boot certificate rollout, but you don't have to. Activate the latest UEFI CA 2023 right now.

In this post, we will show you how to disable Secure Boot in Hyper-V and what to do if Hyper-V is not booting when Secure Boot is enabled. If you’re running a Generation 2 virtual machine in Hyper-V ...

In June 2025, Microsoft announced that, in June 2026, it would begin deprecating Secure Boot certificates of Windows systems ...

Updated firmware trust chains strengthen rootkit protection and zero-trust infrastructure security.

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...

I'm assuming the issue is that some exploit in the last year has resulted in the UEFI being revoked. Can I ignore this warning, turn off secure boot, update Ubuntu, and then turn it back on? Or do I ...