I think the most important decision to make is what to backup. Don't just copy files over and call it a backup, think carefully what do you want and...
Have a look at this tutorial on the site that explains why the icon is there and if you still don't find it useful, it has instructions for hiding it...
One other Desktop (tester) and spare Toshba laptop both with SSD's
Running Kaspersky 2016 ISS on all machines config'd identically
Logitec audio stereo systems on each machine (x3)
Canon MG5250MFC
Router/modem TP-Link running WPA2SK