Mac下安装Mac Virtualbox安装失败解决方法The installation failed. The installer encountered an error

The installation failed. The installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.

 

把原先的virtualbox卸载掉

然后打开安装包

 

然后打开System Preferences ——> Security & Privacy  

 

出现“Oracle 啥的”

点击Allow或允许