Microsoft Changes ‘Most Windows Devices’ In June—Update Yours Now

In an “important” update last week, Microsoft confirmed that the Secure Boot certificate expiration that starts in June will affect “most Windows devices.” To avoid disruption, the company says “take action to update certificates in advance.”

Microsoft says failing to install the latest Windows update, which should refresh your Secure Boot certificates, “might affect the ability of certain personal and business devices to boot securely if not updated in time.” After you update, it’s likely that your PC will undergo a “one time restart” to load new certificates.

In a separate warning, Microsoft warns problems “could occur as early as June.” If a security update “cannot be delivered to your device’s current boot configuration,” because your PC “has not yet received the updated certificate,” you will see a “Secure Boot badge change to a red stop icon” in the Windows…