@DavidR,
Could you please read my post with the attachment's?
Thank you.
The name of the device, be it laptop or desktop is normally obtained from the system. If I look in my my.avast.com Devices the names I see there are the ones I have given the desktop or netbook..
I don't use the Home Network Security, so I can't comment on the problem. I ran it whilst in beta testing and after that I removed it, I couldn't see the point in continually scanning the same network over and over again.
Other than very Basics, Is this during a Smart Scan ?
If so then run the Home Network Security scan on its own. Most likely it will complete with success.