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

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...

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

IT之家 1 月 29 日消息，科技媒体 Windows Latest 今天（1 月 29 日）发布博文， 报道称微软承认 2026 年 1 月累积更新 KB5074109 导致部分 Windows 11 商用计算机出现“黑屏死机”（BSOD）及无法启动问题。

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

Microsoft is aware of an alleged issue that leaves PCs unable to boot and requires manual recovery after Windows 11 January ...

A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.

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

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and ...

Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

If your Windows 11 computer is stuck at Edit Boot Options for screen, follow the below solutions. Reset the CMOS Battery Use a wired keyboard Disable the Edit Boot Options screen Reset BIOS to its ...