somebody help me please!!a few months ago,before i've read the useful tips here in limewire,forum i've downloaded zip & rar files because of my ignorance.eversince i've downloaded that files,if i open my internet explorer it becomes blank & completely white & about:blank appears in my web browser's home page.well,i can still change the homepage in the internet options but after 2 or 3 days it becomes blank again and that about:blank word appears again.is this some kind of virus or spyware & can someone teach me how to remove this thing cause sometimes when i surf the internet some ads just come from nowhere.my antivirus (e-scan) & anti spywares (ad-aware & spybot) could not detect it.please give me an advice on how to deal with it. thanx in advance!!!