they see speedtest website on some tv programe, so went on it an downloaded the stuff they sell, cost then 20 quid and used up all of their 500mb of memory when running and cpu was nearly at 100%
i removed that
i removed some bullguard anti virus and installed avast.
ran adaware and it found 256 bits of crap, deleted all that.
ran a scan with avast an it found loads viruses.