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

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

Microsoft has confirmed that the boot failures with its January 2026 Windows 11 update are limited to “commercial” PCs and happened due to the December 2025 update failing to install and PCs being ...

Microsoft has released the KB5074105 preview cumulative update for Windows 11 systems, which includes 32 changes, including fixes for sign-in, boot, and activation issues. KB5074105 is an optional ...

Monday's Windows 11 preview builds are here. Microsoft is now testing a new method to recover your computer from boot issues, improvements to widgets, and more. Microsoft is kicking off this week with ...

Microsoft responds to Windows 11 complaints with 2026 updates bringing moveable taskbars, reduced Copilot interference, and ...