Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an "UNMOUNTABLE_BOOT_VOLUME" error after installing recent security updates, with the fix ...

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 ...

Important security certificates for Windows 11 will soon expire for many users. In some cases, you will need to take action to prevent this from happening. Here's what you need to do and why.

Have you ever run into trouble trying to boot up your Windows PC? Boot-up errors are among the most challenging to troubleshoot and fix. Now, Microsoft is launching a new tool that will step in when ...