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

Some fixes feel satisfying in the moment, only to boomerang back as the same problem a week, a month, or a season later.

Troubleshoot Highguard launch issues with our guide covering Secure Boot, Easy Anti-Cheat, file integrity checks, and more.

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 ...

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 ...

Windows 11 shutdown bug explained with causes, fixes, and workarounds to stop restarts, battery drain, and failed power-offs after updates.

Round and round we go.

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

The first big Windows update of 2026 is a glitchy mess - here's the full list of bugs and fixes ...

Microsoft is reallocating engineers from new feature development to address significant performance and reliability issues plaguing Windows 11. This "swarming" effort, expected to last through 2026, ...

Use these fixes if your Windows PC is stuck in a boot loop after a BIOS update. Before proceeding, disconnect all peripherals and check if your PC boots into Windows. Press and hold the power button ...