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 ...

This comes just hours after reports that another emergency update has been issued by Microsoft to affect other problems ...

The January 2026 Patch Tuesday keeps on giving users headaches, as some affected systems now cannot boot with an "UNMOUNTABLE ...