Windows 11 runs into another disastrous bug with its latest update — Microsoft admits an 'issue in which devices are failing ...

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 ...

After the first update stopped PCs from shutting down or going to sleep, the latest one halts the boot-up process. Microsoft says it's investigating the problem.

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

A recent Windows Update pushed out by Microsoft has been causing big problems for some Windows 11 users, leading to heavy criticism of the company online.

Microsoft has had to issue two out-of-band updates to fix its buggy Windows 11 patch.

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 has started rolling out new Secure Boot certificates that will automatically install on eligible Windows 11 24H2 ...

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

Microsoft is investigating reports of serious boot failures affecting Windows 11 devices following the January 2026 security ...

First, right-click on the Start icon and select Run. When the Run dialogue box pops up, type shell:appsfolder and select ...