Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors after installing the026 Patch Tuesday security updates.

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

Microsoft will sunset free support and security updates for Windows 10 on October 14, 2025. The company has put forth some basic recommendations in its Windows 11 transition guide: Back up your files, ...

Microsoft’s fifth major iteration of Windows 11 is nearing its release to the general public—the Windows Insider team announced today that Windows 11 25H2 was being put into its Release Preview ...