It sounds like you have a problem with the proxy settings on your computer, but as long as you still connect with websites ok, I don't think that it's a big problem. Like I said, it's probably just the dynamic IP of Comcast changing. This really isn't a spyware/virus/evil ninjas in robes thing. Nothing that I would worry about. But if it gets worse and you can't connect to pages, or if it bothers you more, I would give Comcast a call.

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I see your fantasy... you want to make it a reality

Are you in the mood to be subdued

You see these shackles
Baby I’m your slave
I’ll let you whip me if I misbehave

Tie me to the bedpost

I like it rough
cause I'd rather feel pain than nothing at all