Why Can't I Connect? 1.11.3 发布，此版本主要改进如下： Added a cancel button to the connecting progress dialog Moved the acquiring local address, binding, and acquiring server address functions to their own thread Added a progress / cancel dialog for this thread Added detection of system logout / shutdown signals to close the application, destroy temporary files, and flush the trace file. 下载：WhyCantIConnect_1_11_3_Install.exe (22.5 MB) 更多内容请看发行说明。 "Why Can't I Connect?" 是一个 TCP/IP 连接错误诊断工具。支持常用的网络协议诊断。 Why Can't I Connect? 1.11.3 发布下载地址
