ERROR_CLUSTER_GROUP_BUSY 0x80071738

Error code 5944 · HRESULT 0x80071738

WINDOWS

The current operation cannot be performed on this group at this time.

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_GROUP_BUSY is a Windows error code (system error 5944, returned as HRESULT 0x80071738) reported by Windows. Its official message is: “The current operation cannot be performed on this group at this time.”

How to fix ERROR_CLUSTER_GROUP_BUSY

  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

ERROR_CLUSTER_GROUP_SINGLETON_RESOURCEERROR_CLUSTER_GROUP_QUEUEDERROR_CLUSTER_GROUP_MOVINGERROR_CLUSTER_NOT_SHARED_VOLUMEERROR_CLUSTER_RESOURCE_CONFIGURATION_ERRORERROR_CLUSTER_RESOURCE_PROVIDER_FAILEDERROR_CLUSTER_INVALID_SECURITY_DESCRIPTOR

Source: Microsoft WinError.h

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