ERROR_CORE_RESOURCE 0x800713A2

Error code 5026 · HRESULT 0x800713A2

WINDOWS

The cluster resource could not be deleted since it is a core resource.

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_CORE_RESOURCE is a Windows error code (system error 5026, returned as HRESULT 0x800713A2) reported by Windows. Its official message is: “The cluster resource could not be deleted since it is a core resource.”

How to fix ERROR_CORE_RESOURCE

  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_CORE_DRIVER_PACKAGE_NOT_FOUNDERROR_NOT_QUORUM_CLASSERROR_QUORUM_RESOURCE_ONLINE_FAILEDERROR_RESOURCE_PROPERTIES_STOREDERROR_INVALID_PARAMETERERROR_DISK_FULLERROR_SEM_TIMEOUTERROR_INVALID_NAME

Source: Microsoft WinError.h

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