"Microsoft issued another out-of-band update to fix a bug that caused Outlook to crash for Windows 11 users. This second emergency patch addresses issues seen with Outlook and files stored in the cloud following Microsoft's January 2026 Windows security update. According to Microsoft, this update fixes a bug where some apps that "open or save files stored in cloud-backed locations" became unresponsive or displayed error messages."
"Some users also experienced Outlook crashing or not opening when PST files are stored in cloud-based options like OneDrive. This is the second time this year that Microsoft had to issue a last-minute fix for bugs related to its January security update. Last week, some Windows 11 devices couldn't shut down or hibernate, while other devices running Windows 10 or 11 couldn't log in through remote connections."
Microsoft issued an out-of-band cumulative update to fix a bug that caused Outlook to crash or become unresponsive on Windows 11 after the January 2026 security update. The update resolves errors and unresponsiveness in apps that open or save files in cloud-backed locations, including PST files stored in cloud services such as OneDrive. The emergency patch follows a prior out-of-band fix for Windows 11 shutdown and hibernation problems and remote login failures on Windows 10 and 11. Out-of-band updates are released for serious issues that cannot wait for the regular update cycle, and the cumulative update requires only a single download.
Read at Engadget
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