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

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

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

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

【PassFab Computer Management】は11月4日（金）に最新バージョンに更新しました。このバージョンではいくつかのバグが修復され、パソコンを修復する機能も最適化されました。 パソコンを起動したときに「Bootmgr is Missing」のエラーが表示されると、Windowsの ...

The Memory configured incorrectly error occurs when your Windows computer detects some issues with your RAM. This article ...

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 ...

The error indicates a problem with your computer’s PXE. This error often occurs when your boot sequence is misconfigured in your BIOS, or your boot device (usually ...