O1 - Hosts: # Copyright (c)

Usually the O1 portion of the HOSTS file means that the HOSTS file is Hijacked, but this doesn't look/seem like the case from your description.

Is this from the Windows HOSTS file or from a HJT log?
O1 - Hosts: # Copyright (c) 1993-1999 Microsoft Corp.
 
It sounds more (from the O1-entry) like that entry is from a Windows HOSTS file, but I can't say that you're wrong :red:.

From my knowledge, I don't think there is anything wrong with that entry. Unless it is showing an IP address followed by a link (Ex. "google.com"), then it means you're really in trouble (like you have a HOSTS file Hijack) :fear:.
 
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