一些使用win7版本的用户在打开Mainland VPN for China时，系统会显示以下错误：
这是因为系统缺失了 api-ms-win-crt-runtime-l1-1-0.dll 文件所导致的，
请下载以下文件，解压后安装其中的程序，然后重启您的计算机即可。
点击下载：Windows6.1-KB2999226-x64.msu
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