It's not just January's one.

Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

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

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

Some machines are failing to start after security updates, prompting yet another Microsoft investigation Microsoft is ...

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

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems ...

Are you experiencing the Windows stuck on preparing automatic repair issue? There are several factors that can cause this problem such as corrupted system files, corrupted boot configuration data, or ...

Experiencing a Windows 11 boot loop can be incredibly frustrating, transforming your computer into a seemingly endless cycle of restarts that disrupts productivity. When your system continuously fails ...

Remember that Windows bug preventing PCs from shutting down or hibernating? It affects more devices than we initially thought ...

As mentioned, the issue might be occurring because the Windows bootloader is damaged. As a result, you are not able to boot into your Windows installation. If you can’t boot into Windows after ...