Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

After Windows 11 January 2026 update, we're seeing reports of other issues, including a sleep problem (S3), and more.

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.

Microsoft issued a second emergency Windows patch in January after earlier fixes caused new bugs, raising concerns about ...

Microsoft is shifting focus to fixing Windows 11 performance and reliability after months of buggy updates, boot failures, and growing user frustration.

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

Windows 11 now has one billion users. Microsoft hit the milestone during the recent holiday quarter, meaning Windows 11 has ...

While it only affected users with Secure Launch, Microsoft has issued a fix for errors that featured in its latest Windows 11 ...

Microsoft has brought Windows 11 to over a billion users in record time. The operating system is spreading faster than ...

Windows 11 has 1 billion users - and they're furious ...

People familiar with Microsoft's plans say that the company moving to streamline or remove certain Copilot integrations across in-box apps like Notepad and Paint in 2026, after pushback from users.