Time to moveon from Windows. Financial Express:

Spyware, code that allows outsiders to monitor computer activity, now affects about 90 percent of computers, he said.
?It?s not just an annoyance,? George said. ?Increasingly, it?s becoming more and more pernicious. It can degrade a system?s performance to the point of being unusable, it can block access to the Internet, it can prevent you from accessing e-mail (and) it can redirect your browser to some other home page.?