I don't know why I can't open the MinecraftLauncher.

I can't open Minecraft Launcher.
我无法打开MInecraft启动器。
First, I downloaded the installation package from the official website.
首先，我从官网下载安装包。
Then install it.When it was finished, I opened it.
然后安装。当完成时，我打开了它。
After that, it begins to download the file. The process is smooth.
之后，它开始下载文件。过程顺利。
But when I started, nothing happened. This is all.
但是当我启动时，什么也没发生。就是这样。