Important security certificates for Windows 11 will soon expire for many users. In some cases, you will need to take action to prevent this from happening. Here's what you need to do and why.

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Microsoft says impacted devices suffered boot failures after installing the January 13, 2026, security update KB5074109 or later updates, displaying a black screen and the message: "Your device ran ...

If you’ve checked Event Viewer recently, some new TPM-WMI errors about Secure Boot certificates might have popped up. Don’t worry, you’re not alone. Many Windows 11 users are seeing these logs appear ...

In brief: Secure Boot was originally introduced with Windows 8 as a firmware-based security feature designed to protect the OS from potentially malicious boot code. After more than 15 years, the ...

Microsoft said it has begun rolling out new Secure Boot security certificates, ahead of a late June 2026 expiration deadline that affects virtually every Windows device globally. The certificates, ...

After a decade and a half of service, the current certificates will expire, and new ones will be rolled out. Renewed Secure Boot certificates will be rolled out to Windows systems starting in June, as ...

Devices that don’t receive new Secure Boot certificates may miss out on future security updates. Devices that don’t receive new Secure Boot certificates may miss out on future security updates. is a ...

Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just announced that it will be refreshing those certificates, which were ...

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 ...