Microsoft Issues Second Emergency Update After January Windows 11 Patch Causes Widespread Failures
Microsoft’s January 2026 Patch Tuesday updates for Windows 11 continue to cause disruption, prompting the company to release a second emergency out-of-band update in less than two weeks.
Microsoft has released a second emergency update, KB5078127, for Windows 11 following widespread failures caused by the January 13 Patch Tuesday update. The new update aims to fix critical issues that rendered Outlook and cloud-dependent applications unusable, addressing bugs that caused applications to freeze, crash, or return errors when interacting with cloud storage services like OneDrive and Dropbox. The update also includes all security protections from the original January Patch Tuesday release and the earlier emergency update issued on January 17. Microsoft is directing users to the Windows release health dashboard for version-specific details.
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