Confused About Install

We were using the Avast Endpoint Protection Suite but since that is being phased out we are being moved Avast Business Antivirus Pro. I was told by IT to uninstall the old suite using Avast Clear. They then gave us a file to install after that but all I get on my PC’s Control Panel is the following:

https://i.imgur.com/giQeDFR.png

What am I doing incorrectly in order to get the software installed?

https://forum.avast.com/index.php?topic=220434.0