Error Code Portal
MicrosoftWindows Win32Error code

610

ERROR_BAD_SERVICE_ENTRYPOINT

Alternative forms: 0x00000262 · 0x262 · ERROR_BAD_SERVICE_ENTRYPOINT · 0x80070262

What does this code mean?

Code 610 · An issue reported by Windows Win32.

Official explanation · Original text

{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.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

System Error Codes (500-999) (WinError.h) ↗

Creator: Microsoft and MicrosoftDocs contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Extracted numeric codes, symbolic names and English message text; converted Markdown/HTML to plain text and normalized whitespace; added Korean product context, namespace labels, status classification and separately labeled official links. No machine translation of message text.

Source details · Original licenses and notices