某些win7版用户在打开Yunfan VPN for China时，会遇到以下错误提示：
这一问题是由于系统缺少 api-ms-win-crt-runtime-l1-1-0.dll 文件造成的，
请下载下面的文件，解压后安装其中的程序，最后重启计算机即可。
点击下载：Windows6.1-KB2999226-x64.msu
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