RPC_X_BAD_STUB_DATA 0x800706F7

Error code 1783 · HRESULT 0x800706F7

WINDOWS

The stub received bad data.

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

RPC_X_BAD_STUB_DATA is a Windows error code (system error 1783, returned as HRESULT 0x800706F7) reported by Windows. Its official message is: “The stub received bad data.”

How to fix RPC_X_BAD_STUB_DATA

  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

RPC_X_BYTE_COUNT_TOO_SMALLRPC_X_ENUM_VALUE_OUT_OF_RANGERPC_X_NULL_REF_POINTERRPC_X_SS_CANNOT_GET_CALL_HANDLEERROR_INVALID_USER_BUFFERERROR_UNRECOGNIZED_MEDIAERROR_NO_TRUST_LSA_SECRET

Source: Microsoft WinError.h

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