ERROR_EFS_VERSION_NOT_SUPPORT 0x80071780

Error code 6016 · HRESULT 0x80071780

WINDOWS

A newer system is required to decrypt this encrypted file.

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_EFS_VERSION_NOT_SUPPORT is a Windows error code (system error 6016, returned as HRESULT 0x80071780) reported by Windows. Its official message is: “A newer system is required to decrypt this encrypted file.”

How to fix ERROR_EFS_VERSION_NOT_SUPPORT

  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_EFS_DISABLEDERROR_EFS_ALG_BLOB_TOO_BIGERROR_EFS_SERVER_NOT_TRUSTEDERROR_EFS_NOT_ALLOWED_IN_TRANSACTIONERROR_CS_ENCRYPTION_INVALID_SERVER_RESPONSEERROR_VOLUME_NOT_SUPPORT_EFSERROR_CS_ENCRYPTION_UNSUPPORTED_SERVER

Source: Microsoft WinError.h

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