First, just be sure you have no utilities which has been installed to lock the home page. "HijackThis" is a general homepage hijacker, detector, and remover which you can download and use.
Recently my explorer has been posting the same unwanted startpage when I open the software. It does not help to change the settings of startpage - next time, the unwanted webpage appears again.
Norton - fresh updated, says my computer is virus free.
I guess there is a script hidden somewhere - but which and where?

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