ERROR_INVALID_MEMBER 0x8007056C
Error code 1388 · HRESULT 0x8007056C
A new member could not be added to a local group because the member has the wrong account type.
What it means
ERROR_INVALID_MEMBER is a Windows error code (system error 1388, returned as HRESULT 0x8007056C) reported by Windows. Its official message is: “A new member could not be added to a local group because the member has the wrong account type.”
How to fix ERROR_INVALID_MEMBER
- 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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