WIN7下Visual Studio2019安装时报错Microsoft.Net.4.7.2.FullRedist
下载.net4.7.2的离线安装包
下载地址：https://support.microsoft.com/zh-cn/help/4054530/microsoft-net-framework-4-7-2-offline-installer-for-windows
在安装.net4.7.2时发生严重故障 后来看了日志 发现红字
Returning IDRETRY. INSTALLMESSAGE_ERROR [Error 1321.The Installer has insufficient privileges to modify this file: C:\Windows\system32\msvcp110_clr0400.dll.]
Returning IDRETRY. INSTALLMESSAGE_ERROR [Error 1321.The Installer has insufficient privileges to modify this file: C:\Windows\system32\msvcp110_clr0400.dll.]
Returning IDRETRY. INSTALLMESSAGE_ERROR [Error 1321.The Installer has insufficient privileges to modify this file: C:\Windows\system32\msvcp110_clr0400.dll.]
Returning IDRETRY. INSTALLMESSAGE_ERROR [Error 1321.The Installer has insufficient privileges to modify this file: C:\Windows\system32\msvcp110_clr0400.dll.]
解决方法
将C:\Windows\system32 下面的msvcr110_clr0400.dll、msvcp110_clr0400
和 C:\Windows\SysWOW64下面的msvcr110_clr0400.dll、msvcp110_clr0400
四个文件属性-安全 -编辑-里面给system admin users 用户完全控制权限，然后就可以安装了。
然后重启电脑安装VS2019即可。