you need a new Virus and fire wall Now.
you could try,
AVG free virus prog & zone alarm free fire wall.
and Adware free spyware removal.
Comodo is free and good and has it all.
you can down load Ubunta 10.10 free.
put it on a CD and start the computer.
it runs the operating system from the CD.
so you can see if you like it.
its great and runs some windows software.
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