RPC_S_INVALID_ASYNC_CALL 0x8007077B

Error code 1915 · HRESULT 0x8007077B

WINDOWS

Invalid asynchronous RPC call handle for this operation.

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_S_INVALID_ASYNC_CALL is a Windows error code (system error 1915, returned as HRESULT 0x8007077B) reported by Windows. Its official message is: “Invalid asynchronous RPC call handle for this operation.”

How to fix RPC_S_INVALID_ASYNC_CALL

  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_S_INVALID_ASYNC_HANDLERPC_S_INVALID_OBJECTRPC_S_INVALID_NAF_IDRPC_S_INVALID_VERS_OPTIONRPC_X_PIPE_CLOSEDRPC_S_SEND_INCOMPLETERPC_X_PIPE_DISCIPLINE_ERROR

Source: Microsoft WinError.h

Last updated: