Windows 11’s latest update drama: KB5074109 breaks things, and the uninstall process breaks too.

2026年1月13日に配信されたセキュリティ更新プログラム「Windows 11 KB5074109」で、シャットダウンまたはスリープを試みると再起動しかできなくなる問題が発生しました。Windowsは1月17日に緊急修正パッチを配信しています。

Struggling with the Windows 11 "Windows Update" Catalog Error? Discover proven, step-by-step fixes to get your updates ...

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

Microsoft’s first Windows 11 security update of 2026 broke shutdowns and some Remote Desktop sign-ins. Microsoft has released ...

Windows 11 KB5078127 is an 'out-of-band' patch to fix an issue that broke Outlook Classic (POP, PST) after January 2026 Patch ...

Microsoft’s first big Windows 11 refresh of the year is going so badly that the company is telling people to pull the update ...

Microsoft’s first major Windows 11 update of 2026 quickly turned into a headache for users, after widespread reports emerged ...

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

Windows 11 2024 Updateの登場を告知するWindows Blogのエントリー「New experiences coming to Copilot+ PCs and Windows 11」 Windows 11 2024 Updateの概要 Windows 11 2024 Updateでは、主に以下の新機能が提供される。 IEEE 802.11be規格の無線LAN（Wi-Fi 7 ...