Replying to Damn homepage things

Anyone expirience this. You go to some website, and the next time you open up internet explorer you have some sort of new hompage, usually its some sort of webshearch bullshit. I try to change my home page back to msn, then I get on the IE, and it was already change it back to the websearch crap.
How the hell do you remove this?





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'i didnt really insult him, i just called him a fucken idiot' -Lateralis