Microsoft の 2026 年最初の Windows 11 アップデートがシャットダウンとログインの不具合を引き起こし、緊急修正を促す

Windows 11の2026年最初の更新でシャットダウン不能やリモートログイン失敗が発生。緊急修正KB5077797の手動入手方法と影響範囲を解説。詳細は記事で。
biggo.jp/news/202601201921_Window...

#Windows11 #KB5077797

Windows 11 shutdown bug forces Microsoft into damage control : Ships emergency update to fix a Patch Tuesday misfire that prevented systems from switching off

#Windows 11 shutdown bug forces #Microsoft into out-of-band damage control
www.theregister.com/2026/01/19/w...

#Windows11 update after January's #PatchTuesday broke something as fundamental as turning PCs off.

#BugFix #KB5077797 #SecureLaunch #Patch

Microsoft Issues Emergency Windows Update After January 2026 Patch Breaks Shutdown and RDP Patch Tuesday updates are supposed to improve security and stability—but in January 2026, things went seriously wrong. Shortly after Microsoft released its regular monthly updates,... Source

Microsoft issues emergency out-of-band Windows update to fix January 2026 patch Microsoft has released an out-of-band Windows update after the January 2026 security patch caused remote connection failures and shutdown problems across Windows 11, Windows 10, and Windows Server systems.

Windows 11 23H2: Out-of-Band-Update KB5077797 korrigiert Shutdown-/Sleep-Problem | Borns IT- und Windows-Blog Das Sicherheitsupdate KB5073455 vom 13. Januar 2026 verursacht in Windows 11 23H2 Enterprise Probleme mit dem Herunterfahren und dem Ruhemodus. Das hat Microsoft in einem Known Issues-Supportbeitrag…

FYI: Out-of-Band-Update #kb5077797 korrigiert das Shutdown/Sleep-Problem in #Windows11 23H2, verursacht durch das Januar 2026 Sicherheitsupdate.

borncity.com/blog/2026/01...