Microsoft has posted an online bulletin confirming that the company is investigating reports that state Windows 11's latest security update has rendered some PCs unbootable.

One of the major problems with Windows is the inconsistent update cycle. You will never know when your device restarts after an update. This can happen during work while playing your favorite game or ...

"The new UI is simpler, and more aligned with Windows 11's design language," explains Microsoft. "It removes the frowny face and QR code, and instead presents a short, readable message with the stop ...

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the January 2026 Patch Tuesday security updates. The issue ...