ls`. See `CreateCoreWebView2EnvironmentWithOptions` for more details on overrides. If an override is not specified, then the parameters passed to `GetAvailableCoreWebView2BrowserVersionStringWithOptions` are used. Returns `HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND)` if it fails to find an installed WebView2 Runtime or non-stable Microsoft Edge installation. Use `GetAvailableCoreWebView2BrowserVersionString` to get the version info without the environment options.

<p>The caller must free the returned string w