Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

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

It's not just January's one.

TL;DR: AMD Ryzen 7 9800X3D users reported CPU failures, particularly with ASRock motherboards. In response, ASRock released new BIOS updates for AM5 motherboards to address boot issues and improve ...

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

Use these fixes if your Windows PC is stuck in a boot loop after a BIOS update. Before proceeding, disconnect all peripherals and check if your PC boots into Windows. Press and hold the power button ...

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