IT之家 2 月 2 日消息，2026 年 1 月对微软来说堪称“更新噩梦”，Windows 补丁几乎每周都会冒出新问题。有的相当严重，比如设备 直接无法启动 并报出“ UNMOUNTABLE_BOOT_ERROR ”；有的则让人哭笑不得，比如电脑 关不了机、也进不了休眠 。微软虽然紧急推送了 带外更新 试图补救，但后来发现，受影响的范围远比最初预估更大。

2026年的第一个月对微软来说简直是一场彻底的灾难。 在过去的四周里，微软几乎每周都要确认新的系统漏洞。这些漏洞中既有导致设备崩溃、报出“UNMOUNTABLE_BOOT_ERROR”蓝屏的严重故障，也有一些让人哭笑不得的低级错误——比如电脑安装更新后竟然无法关机或休眠。 微软最初试图通过紧急补丁（OOB更新）来修复这一问题，但最新调查显示，受灾范围远超预期。 根据微软近日更新的Windows健康 ...

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

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

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