ERROR_WINHTTP_NOT_INITIALIZED

Obsolete; no longer used.

Matched as: the code as given (hex)

Other names

• ERROR_INTERNET_NOT_INITIALIZED: Initialization of the WinINet API has not occurred. Indicates that a higher-level function, such as [**InternetOpen**](https://learn.microsoft.com/en-us/windows/desktop/api/Wininet/nf-wininet-internetopena), has not been called yet.

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