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

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

Get ye to Windows Update, because there's a good chance you've got new Secure Boot certificates to install. Microsoft just ...

Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

Refreshing new certificates represents one of the largest coordinated security maintenance efforts across the Windows ecosystem,' Microsoft explains.

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 ...

Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent security updates, with the fix ...

If you receive an error message – Failure when attempting to copy boot files, then this post may be able to help you fix the problem. BCDBoot is a command-line ...

Microsoft has begun rolling out updated Secure Boot certificates through monthly Windows updates to replace the original 2011 certificates that will expire in late June 2026.

Microsoft will roll out new Secure Boot certificates for Windows users starting June, as the old certificates will expire.

Safe Mode lets Windows start with only essential drivers and services, allowing you to troubleshoot crashes, faulty drivers, ...

Some users have complained about this problem that when they start their computer, it doesn’t boot. Instead, a Default Boot Device Missing or Boot Failed blue ...