ERROR_DLL_MIGHT_BE_INCOMPATIBLE 0x800702AF

Error code 687 · HRESULT 0x800702AF

WINDOWS

The application is loading executable code from the module …. This is secure, but may be incompatible with previous releases of the operating system. An alternative, …, is available. Should the application use the secure module …?

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_DLL_MIGHT_BE_INCOMPATIBLE is a Windows error code (system error 687, returned as HRESULT 0x800702AF) reported by Windows. Its official message is: “The application is loading executable code from the module %hs. This is secure, but may be incompatible with previous releases of the operating system. An alternative, %hs, is available. Should the application use the secure module %hs?”

How to fix ERROR_DLL_MIGHT_BE_INCOMPATIBLE

  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_DLL_MIGHT_BE_INSECUREERROR_DLL_INIT_FAILEDERROR_DLL_INIT_FAILED_LOGOFFERROR_DLL_NOT_FOUNDERROR_DBG_EXCEPTION_NOT_HANDLEDERROR_REGISTRY_HIVE_RECOVEREDERROR_DBG_REPLY_LATER

Source: Microsoft WinError.h

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