RPC_S_FP_DIV_ZERO 0x800706E9

Error code 1769 · HRESULT 0x800706E9

WINDOWS

A floating-point operation at the RPC server caused a division by zero.

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_FP_DIV_ZERO is a Windows error code (system error 1769, returned as HRESULT 0x800706E9) reported by Windows. Its official message is: “A floating-point operation at the RPC server caused a division by zero.”

How to fix RPC_S_FP_DIV_ZERO

  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_FP_UNDERFLOWRPC_S_FP_OVERFLOWRPC_S_ADDRESS_ERRORRPC_S_ZERO_DIVIDERPC_S_INTERNAL_ERRORERROR_INVALID_PARAMETERERROR_DISK_FULLERROR_SEM_TIMEOUT

Source: Microsoft WinError.h

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