Microsoft’s CA-2023 Secure Boot update broke PCs. Learn why UEFI firmware failed, how vendors reacted, and how to fix your boot issues.

The latest Windows 11 emergency update tackles widespread install errors and replaces the problematic KB5079391 rollout.

A new status indicator in the Windows Security app will let users know whether their Windows 10 or 11 installation has been ...

Affected PCs reportedly displayed messages indicating that some update files were missing or had encountered problems.

Windows 11 now shows Secure Boot alerts to help users prepare for 2026 certificate expiration and avoid security issues.

A series of Windows 11 boot issues reported by users seems to have a root cause that stems from a bad December software update that was pushed out. According to Microsoft, a bad January update ...

The trouble began after Microsoft rolled out an optional update for Windows 11, known as KB5043145. This update led to a Windows 11 boot loop, where the affected systems could not complete the startup ...

Microsoft fixes a known issue in the Windows KB5043145 preview update that causes reboot loops, freezes systems, and breaks USB and Bluetooth devices. The company confirmed on Friday that affected ...