Problem Installing Avast

when installing you need to keep the install visable but it disappears no telling if finished installing still install what its doing or nothing just cant tell windows tells to rebot cause updates rebooted and Avast install crashed have to reinstall Avast again just cause its not visable or no when its even going to be finished installing takes so dame long now 40 mins to install wtf and its not my pc fresh install .

Clean Install of Avast:
https://goo.gl/4Ptzkf
If you need additional help with the Clean Install, watch this:
https://youtu.be/p-h3myRD51A