Umm, I think I know what you're talking about and I don't think it's the same thing that gamemaster is talking about.
If I'm right, you're having pages come up in the URL history even after you've deleated your history. The problem is those sites have added themselves to your favorties without your knowledge. You cant see them in the favorites drop down but if you go into the actual "favorites" folder you can see those sites, just delete the files.
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