Forum Discussion
GageWilder
Mar 27, 2026Iron Contributor
Windows 11 January Update KB5074109 Fails with Error 0x80073712
he 2026-01 security update (KB5074109) keeps failing with error code 0x80073712, showing "some update files are missing or have issues." Need a fix.
3 Replies
Hello,
Try installing the KB5074109 update manually, see if it helps:
https://www.kapilarya.com/how-to-install-updates-manually-in-windows-11
Let us know if this helps!
Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.
- AdrianYoungCopper Contributor
You can use the Windows Update Troubleshooter or the Command Prompt to resolve this issue; it’s up to you.
- DemetriunBrass Contributor
The error code 0x80073712 indicates that some Windows update files are missing or corrupted, which is preventing the KB5074109 security update from installing successfully.