ERROR_INTERNET_BAD_OPTION_LENGTH

The length of an option supplied to [**InternetQueryOption**](https://learn.microsoft.com/en-us/windows/desktop/api/Wininet/nf-wininet-internetqueryoptiona) or [**InternetSetOption**](https://learn.microsoft.com/en-us/windows/desktop/api/Wininet/nf-wininet-internetsetoptiona) is incorrect for the ty

Matched as: the code as given (hex)

The length of an option supplied to InternetQueryOption or InternetSetOption is incorrect for the type of option specified.

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