安装msi软件报错：The installer has encountered an unexpected error installing this package.The error code is 2503
因为安装权限不足
以管理员身份运行cmd
运行安装命令
msiexec /package "E:\xxx\charles-proxy-4.6.4-win64.msi"
因为安装权限不足
msiexec /package "E:\xxx\charles-proxy-4.6.4-win64.msi"