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.

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

We previously reported on a bug that Microsoft said was creating a "limited number of reports" over a boot failure issue, in which users were greeted with an "UNMOUNTABLE_BOOT_VOLUME" stop code after ...

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously ...

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 ...

Struggling with a corrupted GPT bootloader in Windows 11? Discover step-by-step methods to repair it quickly and get your PC booting smoothly again. Expert tips for hassle-free recovery.

Struggling with the dreaded "Inaccessible Boot Device" error on your NVMe drive in Windows 11? Discover proven, step-by-step ...

Microsoft shares more details about the boot failure bug triggered by the latest Patch Tuesday update, KB5074109, in Windows ...

Microsoft is aware of an alleged issue that leaves PCs unable to boot and requires manual recovery after Windows 11 January ...

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...