RPC_X_PIPE_DISCIPLINE_ERROR 0x8007077D

Error code 1917 · HRESULT 0x8007077D

WINDOWS

The RPC call completed before all pipes were processed.

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_PIPE_DISCIPLINE_ERROR is a Windows error code (system error 1917, returned as HRESULT 0x8007077D) reported by Windows. Its official message is: “The RPC call completed before all pipes were processed.”

How to fix RPC_X_PIPE_DISCIPLINE_ERROR

  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_PIPE_CLOSEDRPC_X_PIPE_EMPTYRPC_X_WRONG_PIPE_VERSIONRPC_X_WRONG_PIPE_ORDERRPC_S_INVALID_ASYNC_CALLERROR_NO_SITENAMERPC_S_INVALID_ASYNC_HANDLE

Source: Microsoft WinError.h

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