ERROR_INTERNET_EXTENDED_ERROR

An extended error was returned from the server. This is typically a string or buffer containing a verbose error message. Call [**InternetGetLastResponseInfo**](https://learn.microsoft.com/en-us/windows/desktop/api/Wininet/nf-wininet-internetgetlastresponseinfoa) to retrieve the error text.

Matched as: the code as given (hex)

Source: WinINet Errors · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09