Microsoft has fixed a known issue that caused the June 2026 KB5094122 security update to fail on some Windows Server 2016 systems that had not installed the previous KB5087537 update. The problem triggered 0x80070002 and FILE_NOT_FOUND errors, and affected devices should now install the update normally. #Microsoft #WindowsServer2016 #KB5094122 #KB5087537
Keypoints
- Microsoft resolved a June 2026 update installation issue on Windows Server 2016.
- The bug affected systems that tried to install KB5094122 without KB5087537.
- Affected devices returned 0x80070002 or FILE_NOT_FOUND errors during setup.
- Microsoft says the issue has now been fixed and installations should succeed.
- This is one of several recent Windows update problems Microsoft has addressed.