A false positive??

"RRC" <RRC@discussions.microsoft.com> wrote in message
news:4E54E33D-508E-4D71-8BC4-5170FE39D340@microsoft.com...
>I fixed it now thank you.
>
> But only seconds later I got a Trojan. So now I have to install windows xp
> again and the updates. This is the third time that happend now.
> Just when I finished installing the updates (and after fixing installion
> problems who are different every time) I get a Trojan and I have to start
> again..
>
> Any idea to fix this?