有些win7版用户在打开Jifeng VPN for China时，系统会显示以下错误：
这是由于系统缺少api-ms-win-crt-runtime-l1-1-0.dll文件引起的，请下载以下文件，解压后安装程序，然后重启计算机即可。
点击下载：Windows6.1-KB2999226-x64.msu
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