ERROR_CLUSTER_UPGRADE_INCOMPLETE 0x80071759
Error code 5977 · HRESULT 0x80071759
The cluster did not successfully complete the version upgrade.
What it means
ERROR_CLUSTER_UPGRADE_INCOMPLETE is a Windows error code (system error 5977, returned as HRESULT 0x80071759) reported by Windows. Its official message is: “The cluster did not successfully complete the version upgrade.”
How to fix ERROR_CLUSTER_UPGRADE_INCOMPLETE
- Reboot once — many one-off system codes disappear with a clean restart
- Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
- Find the source in Event Viewer → System: filter for this exact code and open its provider link
Related errors
Source: Microsoft WinError.h
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