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

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Hot on the heels of the NSA publishing a “high-risk of ...

The problem first surfaced on Microsoft's own support forums and quickly spread to Stack Overflow and Server Fault after the October 2025 cumulative update (KB5066835) landed, which appears to have ...

Some Windows 11 users have reported issues with the latest software update, which has caused continuous restart loops that are preventing them from accessing their desktops. Microsoft released its ...

Microsoft’s first Windows 11 security update of 2026 caused two nasty failures, some PCs couldn’t finish a shutdown, and some users couldn’t sign in over Remote Desktop. Microsoft has now shipped ...

Users of specific versions of Microsoft's Windows 11 can no longer properly shutdown or enter hibernation, and are instead being forced to restart unless the correct Command Prompt command is made, as ...

Microsoft has released the KB5077241 optional cumulative update for Windows 11, which comes with 29 changes, including improvements to BitLocker, a new network speed test tool, and native System ...

Today, Microsoft announced the general availability of Windows 11 25H2, also known as Windows 11 2025 Update. Windows 11 25H2 is a minor update, and it shares the same platform release as Windows 11 ...

Microsoft has confirmed that the March KB5079473 update breaks Microsoft account sign-ins in Teams, OneDrive, Edge, and other ...

How to check your Windows PC for expiring security certificates - a big one is ending soon ...

This month's non-security update for Windows 11 is here with a big changelog full of improvements and new features. This month's non-security update for Windows 11 versions 24H2 and 25H2 is here under ...