ERROR_BAD_SERVICE_ENTRYPOINT 0x80070262

Error code 610 · HRESULT 0x80070262

WINDOWS

The … service is not written correctly. The stack pointer has been left in an inconsistent state. The callback entrypoint should be declared as WINAPI or STDCALL. Selecting OK will cause the service to continue operation. However, the service process may operate incorrectly.

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_BAD_SERVICE_ENTRYPOINT is a Windows error code (system error 610, returned as HRESULT 0x80070262) reported by Windows. Its official message is: “{Invalid Service Callback Entrypoint} The %hs service is not written correctly. The stack pointer has been left in an inconsistent state. The callback entrypoint should be declared as WINAPI or STDCALL. Selecting OK will cause the service to continue operation. However, the service process may operate incorrectly.”

How to fix ERROR_BAD_SERVICE_ENTRYPOINT

  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_BAD_DLL_ENTRYPOINTERROR_IP_ADDRESS_CONFLICT1ERROR_INSUFFICIENT_LOGON_INFOSTATUS_INVALID_IMAGE_HASHERROR_INVALID_FUNCTIONERROR_FILE_NOT_FOUNDERROR_PATH_NOT_FOUNDERROR_ACCESS_DENIED

Source: Microsoft WinError.h

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