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

A Windows security update bug has prevented some Windows 11 24H2 and 25H2 users from booting into their PCs, requiring them ...

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

Everyone knows you need to keep your operating system up to date, but what happens when a company botches the update and ...

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

Dealing with the "Your PC did not start correctly" error on a Windows 10 or 11 computer can be quite troublesome. This error usually pops up when you try to boot your ...

Microsoft issues second emergency patch for Windows this month - update your PC today ...

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs ...

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

Microsoft is kicking off this week with a duo of new Windows 11 preview builds. Those in the Dev Channel received build 26200.5622 (KB5058512), which introduces several improvements and new features, ...

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 ...