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

Round and round we go.

It's not just January's one.

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 ...

Microsoft’s new warning was spotted by Windows Latest. “In an updated support document, the company has confirmed that the update is indeed crashing some PCs.” This primarily affects commercial PCs.

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

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to ...

Microsoft released an out-of-band update Friday to resolve credential authentication failures affecting Azure Virtual Desktop ...

Last week's security patch is the latest buggy update that impaired some PCs. Take these steps before and after an update to ...

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

Microsoft delivers a fix for the Windows 11 issue that prevented PCs from shutting down after installing a security update.

TL;DR: Recent reports linked Windows 11 security updates KB5063878 and KB5062660 to SSD failures during large data transfers, especially on DRAM-less drives with Phison controllers. However, after ...