一些使用win7的用户在访问Dianbao VPN for China时，可能会遇到以下错误提示：
这是由于系统缺少 api-ms-win-crt-runtime-l1-1-0.dll 这个文件所致，
请下载以下文件，解压后安装其中的程序，然后重启计算机即可。
点击下载：Windows6.1-KB2999226-x64.msu
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