Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Microsoft has really stepped in it with the first Windows 11 update of 2026. Reports from annoyed Windows users are cropping up regarding various errors caused by the KB5074109 update. According to ...

It seems that the January update is seriously problematic for NVIDIA GPUs in some cases, with reports of black screens, FPS drops, and more besides.

Nvidia has confirmed that it's aware of Windows 11 gaming issues after the KB5074109 January 2026 Update and is looking into ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

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

Microsoft has a lot to prove after January's update cycle broke basic system functions; here are the biggest features and ...

Word is circulating around the Internet that the latest Windows 11 update may be causing some potentially serious problems for SSD owners. More specifically, some users in Japan have reported that ...

Microsoft has found no link between the August 2025 KB5063878 security update and customer reports of failure and data corruption issues affecting solid-state drives (SSDs) and hard disk drives (HDDs) ...

Engineers are now focusing on performance, reliability, and the overall Windows experience. is a senior editor and author of Notepad, who has been covering all things Microsoft, PC, and tech for over ...

Windows 11 KB5074105 is now rolling out, and it's a feature-packed update with Android Resume for version 25H2 or 24H2.

Microsoft releases an urgent Windows 11 update to fix Outlook crashes caused by the January 2026 security patch and cloud ...