Had Skype for about three months and had a Trojan horse downloaded on to my computer. Not a problem, until BT Colchester (they monitor all computer traffic in the UK) contacted me and informed me that I was sending out 130,000 e-mail a day and that they would have to disconnect me. Had to use Regcure to find the virus, it was hard to find because the virus could migrate from file to file. It took three days to isolate it. Use BT Broadband Homehub now as BT screen the viruses from Colchester. Be careful