Weird Network Traffic

[dotslashniks]

Hi Guys,

Can someone explain what this traffic means?

Everyday, this PC have an average of 10GB of Upload and Download from that HTTP_Proxy.

I am using Squid proxy explicitly (WPAD). But its weird because that PC has only that kind of traffic. And other normal traffic looks like this:

What do you think is that traffic?

Thank you, Guys.