What is Microsoft 365 451 4.3.2 Temporary Server Error and how to fix it? Microsoft 365 faced outages affecting Outlook, Teams, Defender, and Purview. Users reported over 11,000 issues. The error indicates server-side problems.

Microsoft has released a second emergency Windows 11 update, KB5078127, to fix Outlook crashes, cloud file errors, and other Patch Tuesday issues.

Microsoft 365 services including Outlook, Microsoft Defender and Microsoft Purview were impacted on Thursday, with the company issuing an update on the matter.

Microsoft says uninstall Windows 11 update KB5074109 to fix Outlook Classic hangs, black screens and other stability issues affecting users.

Microsoft has confirmed that the Windows 11 January 2026 Update is causing at least three major issues, rolling out fixes for two bugs.

Microsoft shared a temporary workaround for customers experiencing Outlook freezes after installing this month's Windows security updates.

Microsoft released an out-of-band update Friday to resolve credential authentication failures affecting Azure Virtual Desktop and Windows 365 connections that emerged after the company's January 2026 security update.

Microsoft delivers a fix for the Windows 11 issue that prevented PCs from shutting down after installing a security update.

Microsoft rolled out the latest cumulative updates for Windows on January 13, 2026. Soon after installing the patches, users began reporting erratic behavior on both home