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 ...

A fresh wave of Windows 11 update trouble is making the rounds, and this one is about as disruptive as it gets: some PCs reportedly can’t boot after installing the latest January 2026 security update.

Microsoft’s latest Windows 11 security update was meant to harden PCs against stealthy firmware attacks. Instead, it has ...

Most users jump straight to a clean install when Windows starts boot looping. Here is why you should try these rollbacks and ...

TL;DR: Microsoft's latest Windows 11 update introduces some notable features, but many users might have encountered an issue that rendered their systems inoperable. The only remedy for now is to roll ...

Microsoft's latest security update for Windows 11 has caused unexpected problems for users who run both Windows and Linux on the same computer. After installing the update, many users have reported ...

Facepalm: Windows users who have encrypted their PCs with BitLocker might have trouble rebooting after installing a July OS update. Microsoft instructs those impacted to refer to the standard ...

Windows 11 had a rough 2025. We tracked the top 20 Windows 11 issues reported by Windows Latest, from failed updates to ...

Microsoft has released a free tool to help people recover from the faulty CrowdStrike update that led to one of the biggest IT disasters to date. The tool is designed to enable IT admins to recover ...

Recently, Microsoft released a Windows update that accidentally crashed a wrecking ball into systems that dual-boot Linux. This wasn't supposed to happen but Linux users who dual-boot Linux and ...