ERROR_INTERNET_EXTENDED_ERROR 12003An extended error was returned from the server. This is typically a string or buffer containing a verbose error message. Call InternetGetLastResponseInfo to retrieve the error text.
在MSDN中输入 system error code,然后找到12003,12003在Internet Error Codes这里面
12003An extended error was returned from the server. This is typically a string or buffer containing a verbose error message. Call InternetGetLastResponseInfo to retrieve the error text.
你的是什么版本的VC,什么版本的MSDN,怎么我的MSDN里面没有这个system error code的帮助信息,我的是VC6的MSDN2001
http://support.microsoft.com/kb/193625