DNS server not responding -- VPN?

DNS Server Not Responding -- is the problem linked to VPN? Browser freezes. I turn VPN off and on again, and browser unfreezes.

Personally? I'm going with Bitdefender I think. Probably just their Antivirus and not their entire suite though.

The problem is on Norton's end.  I have spent a lot of time on the phone with their Tech Support, they tell me it's fixed, but it is not.  Norton will not refund my remaining 360 subscription.  I am tired of this nonsense.  McAfee anyone?