Microsoft Rushes Second Emergency Windows Update to Fix Outlook Crash Bug

• Microsoft released a second out-of-band update for Windows 11 to fix a critical bug causing Outlook crashes.
• The patch addresses issues from the January 2026 security update, particularly affecting apps interacting with cloud-backed files like OneDrive.
• Outlook users storing PST files in cloud-synced folders were severely impacted, experiencing crashes and unresponsiveness.
• This is the second emergency fix this year, following a previous patch for shutdown/hibernation and Remote Desktop login issues.
• The cumulative update includes previous emergency fixes, and Microsoft urges affected users to install it promptly for stability.

Why It Matters: Microsoft issues second emergency Windows update to resolve critical Outlook crashing issues stemming from January 2026 patch.