windows 10 hosts file entries been commented out
To prevent the hosts entries from being commented out by Bitdefender 2016 do the following:
In the main Bitdefender interface click on the human icon (from the upper right corner) and choose General Settings
> Advanced tab
> "Scan hosts file"
button.
Sul,
Cause: Bitdefender Total Security 2016 is causing this problem
Fix: Right click on hosts file, properties, security, give only read access to "ALL APPLICATION PACKAGES" user/group.
Reference: http://www.bitdefender.com/security/hosts-file-hijacking-becomes-impossible-in-windows-8.html