Android module not loading

When in Build Settings, I am shown that I have “No Android module loaded.” I click on the Open Download Page button and the download begins. And it finishes. And I go through the process of loading it. During the validating process, an error pops up and says “The installation failed”. Does anyone know how to fix this? Peeps at Unity brought up something about where my “xar” is and that it’s a download issue. I’ve downloaded a few times. At home, at work, at night, at morning. Please help if you can.

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Bro I’ve spent so much time looking over the same problem…in the end it was just the fact that I’ve built the project on 2019 version and the updates are to the 2020… you can update the version from the hub
hope this helps
Have a safe day!