I don't normally recommend installing Windows 11's optional updates – but in the case of this bug, I'd make an exception

Wondering why your Windows 11 desktop keeps vanishing? It's because of this nasty bug.

Optional Windows 11 patch remedies several broken issues

Microsoft has now begun rolling out update KB5074105, the latest optional patch for Windows 11. It’s optional because this is technically a preview of next month’s mandatory Patch Tuesday update. You ...

Microsoft says the Windows 11 boot failure bug is linked to another buggy update: 'This issue can occur on devices that failed to install the December 2025 security up…

We previously reported on a bug that Microsoft said was creating a "limited number of reports" over a boot failure issue, in ...

Microsoft links Windows 11 boot failures to failed December 2025 update

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 ...