Certain Sites Not Loading

For about a week now I have run into the same problem over and over again. Using Firefox when I try to google searching something, as soon as I hit enter it says Waiting... but then sticks there and does nothing else for as long as I leave it. It does that for other websites as well, myspace and some other forums I visit. I tried it on Iexplorer and for a while they would work but now they are doing the same thing.

The exact messege is "Waiting on www.googlie.com..." but there is no progress bar or anything. I have run spyware and antivirus but have come up with nothing. Anyone have any idea whats up?

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