Microsoft removed the new Windows 11 update due to missing or corrupted files

Microsoft is facing an issue installing update KB5079391

What happened – Release date: March 26, 2026

- Update type: non‑security, aimed at improving stability and reliability of Windows.

However, when users try to install it they receive error 0x80073712 – “some files are corrupted or missing,” causing the system to be unable to assemble the package.

How Microsoft is responding – The update has been temporarily removed from the distribution channel to avoid further problems.

- On the official website it states: *“Distribution of this update has been suspended due to installation error 0x80073712. Access is limited while the cause is investigated.”*

What was expected from KB5079391 | Feature | Description |

|---------------------------|---------------------------------------------|
| Monitor support >1000 Hz | New drivers and video output optimizations. |
| “About” page in Settings | Simplified access to system information. |
| New Copilot‑based narrator | Improved speech synthesis for the assistant. |
| File manager optimization | Faster folder opening, more responsive interface. |

Conclusion
Installing KB5079391 is currently impossible due to a technical error; Microsoft plans to re-release the update with corrected components. It remains unavailable through Windows Update.