Windows 11’s latest update drama: KB5074109 breaks things, and the uninstall process breaks too.

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

The first big Windows update of 2026 is a glitchy mess - here's the full list of bugs and fixes ...

January patch trips up Azure Virtual Desktop and Windows 365 authentication Microsoft has kicked off 2026 with another faulty ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...

Windows 11 KB5074109 causes a black screen on some PCs, including those with an Nvidia GPU, and also freezes Outlook if you ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

The Windows updates from the January Patch Day are causing connection issues with Windows 365 and Azure Virtual Desktop.

The Memory configured incorrectly error occurs when your Windows computer detects some issues with your RAM. This article ...

Microsoft issued another out-of-band update to fix a bug that caused Outlook to crash for Windows 11 users. This second ...

If you encounter The amount of system memory has changed error when you turn on your Dell or Alienware system, this article ...

What is Microsoft 365 451 4.3.2 Temporary Server Error and how to fix it? Microsoft 365 faced outages affecting Outlook, ...