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

Microsoft has posted an online bulletin confirming that the company is investigating reports that state Windows 11's latest ...

The most recent January Windows Update is broken on a number of PCs, but at least virtual machines don't seem to be impacted.

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 ...

Microsoft has had to issue two out-of-band updates to fix its buggy Windows 11 patch.

Inside the company, engineering teams have been pulled into a "swarming" effort to stabilize Windows 11's core behavior – a shift that acknowledges how far the ...