QuickBooks error 12057, which comes under the 12xxx series, is usually due to an internet connectivity issue. It may occur during the updating process of the QBDT to the latest version. The Microsoft Win32 Internet Application Programming Interface (API) typically comes under the QuickBooks error 12000 series. To access standard internet protocols, including HTTP, FTP, and Gopher, QuickBooks Desktop uses the WinINet API. While downloading or upda...