During MySQL installation, the download interface is empty, and the components to be downloaded are not displayed. MySQL installer 8.0.28.0 download interface is empty solution

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One 、 Problem description

Use MySQL Installation tools （mysql-installer-community-8.0.28.0） when , Due to repeated uninstallation and installation 、 After installing components, click Back Back off 、 Or some other strange operation , It can lead to Download The component to be downloaded in the interface is empty , Here's the picture ：

MySQL The installation steps of will always be stuck in this step , Unable to perform subsequent operations .

Two 、 Problem analysis

This is because , When the installation tool loads the components that need to be downloaded , Will first check whether there are downloaded components in the computer .
If some components have been downloaded from the computer , Then the installation tool will not be downloaded repeatedly , Instead, download only uninstalled components .
If all the components that need to be downloaded have been downloaded , Then the download list of the installation tool will be empty , That is, the situation in the above figure .
We went to the MySQL The default installation path for （C:\ProgramData\MySQL\MySQL Installer for Windows\Product Cache） Next , Will find , These components have been downloaded

If you don't see it on your computer ProgramData This directory , Please display the hidden folder as shown in the following figure

3、 ... and 、 Solution

The solution is simple , Delete all installed components in the above directory .

After deleting , Close the installer , Rerun the installation tool , Follow the installation steps to install again , To Download In this step , Will find ,Download The components to be downloaded in the page are displayed normally again .

A comparison will show that , The components to be downloaded correspond to the components in the above default directory one by one

congratulations , The problem has been solved , You can go on MySQL Installed. .