The post Windows 11 boot issues tied to bad December update appeared first on Android Headlines.

It's not just January's one.

Windows 11 KB5074109 (January 2026 Update) is causing major issues on some PCs, and Microsoft has more details to share.

Windows 11 January 2026 updates may cause boot failures on some PCs. Microsoft is investigating issues linked to KB5074109.

Microsoft is investigating reports that some Windows 11 devices are failing to boot with "UNMOUNTABLE_BOOT_VOLUME" errors ...

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

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

In confirmed cases, Windows 11 boot failure occurs post-update, with the machine stuck at a black screen and unable to ...

Another week, another big Windows problem.

Round and round we go.

Before we start talking about the deployment process, here are the minimum requirements for Windows 365 Boot,as mentioned by Microsoft: Windows 11-based endpoints (Windows 11 Pro and Enterprise) ...

In this post, we will show you multiple methods to enable or disable Windows Boot Manager on Windows 11/10. Windows Boot Manager (BOOTMGR) is one of the main components of the Windows OS that ...