While searching the web for a number of things using Microsoft Edge, Chrome and Avast SafeZone I came across:
Access Denied

You don't have permission to access "http://www.baskinrobbins.com/" on this server.
Reference #18.a6921602.1473777976.6a63591

and


Access Denied

You don't have permission to access "http://www.kroger.com/" on this server.
Reference #18.64ff4317.1473778078.15314924

What might be causing this?

Any ideas or solutions gratefully received