ERROR_CLUSTER_UPGRADE_INCOMPLETE 0x80071759

Error code 5977 · HRESULT 0x80071759

WINDOWS

The cluster did not successfully complete the version upgrade.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

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

  1. Reboot once — many one-off system codes disappear with a clean restart
  2. Repair system files: 'sfc /scannow' then 'DISM /Online /Cleanup-Image /RestoreHealth'
  3. 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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