master, i know im not part of the clan, but anyway, id like 2 give you an advise.
if you dont want viruses probles, download a file called: Virtual Box, there you can use any windows operatin system (xp, vista/view, 7, millenium...) and viruses get trapped inside there, by that i mean that all info is stored insede the Virtual Box, which once closed, your pc will become memory free, and files inside VB, wont ocupate space. Also, if you have a virus warning (im not sure but ur prob may b a virus :S) you can simply delete the VB and get virus free, anyways, it cant scape form inside the VB.
Good luck and sorry 2 post here, look here every day