Record problem win10 installed vs2019 wrong solution
1. win10 install vs2019 error, the error code reported "install .NET Framework 4.7.2 0x80070643"
2. Baidu online solution.
There is a successful method mentioned first original machine inside the .net Framework all clean uninstall, and then download and install the .NET Framework 4.7.2 can be solved locally
Then by https://dotnet.microsoft.com/download/thank-you/net472-developer-pack download the installation package.
After installation, it was found still reported the error.
3. Then search by English and found win10 which have this problem.
https://answers.microsoft.com/en-us/protect/forum/protect_defender-protect_updating-windows_10/how-do-i-fix-error-code-0x80070643-bk2267602/9a1b5edb-9b11-4880-a247-a74c8bc9b18d the URL mentioned, the problem is not in the new version,
Check your win10 version, I found the win10 version is 1703. Immediately upgrade win10 version provided by the official tool
https://support.microsoft.com/zh-cn/help/3159635/windows-10-update-assistant
4. Upgrade version to win10 1803 version. Reinstall vs2019 successful installation
