ERROR_EXE_CANNOT_MODIFY_SIGNED_BINARY 0x800700D9

Error code 217 · HRESULT 0x800700D9

WINDOWS

The image file … is signed, unable to modify.

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_EXE_CANNOT_MODIFY_SIGNED_BINARY is a Windows error code (system error 217, returned as HRESULT 0x800700D9) reported by Windows. Its official message is: “The image file %1 is signed, unable to modify.”

How to fix ERROR_EXE_CANNOT_MODIFY_SIGNED_BINARY

  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_EXE_CANNOT_MODIFY_STRONG_SIGNED_BINARYERROR_EXE_MACHINE_TYPE_MISMATCHERROR_EXE_MARKED_INVALIDERROR_NESTING_NOT_ALLOWEDERROR_TOO_MANY_MODULESERROR_FILE_CHECKED_OUT

Source: Microsoft WinError.h

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