Microsoft released a second emergency update to resolve a bug causing Outlook to crash for Windows 11 users following the January 2026 security update. This update addresses issues with apps that handle files in cloud locations, particularly impacting Outlook when PST files are stored in services like OneDrive. Previously, users faced problems with system shutdowns and remote logins due to the same security update. The cumulative nature of this patch means users only need to install it to resolve the related issues.
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