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

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

Several users are experiencing various issues with system startup after installing the KB5077181 update for Windows 11.

Important security certificates for Windows 11 will soon expire for many users. In some cases, you will need to take action ...

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

Microsoft is preparing to roll out new Secure Boot certificates via Windows Update to keep old PCs protected from boot‑level ...

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

Secure Boot certificate upgrades is bad news for Windows 10 ...

KB5077181 is causing devices to restart over 15 times in an infinite loop. Users also report network issues and error codes.

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 has released the Windows 10 KB5075912 extended security update to fix February 2026 Patch Tuesday vulnerabilities, including six zero-days, and continue rolling out replacements for expiring ...

Microsoft reminds everyone that the initial wave of Secure Boot certificates, dropped in 2011, are due to expire.