[Hijack]

Buffy, I have tried virtually all of the free ones. I think avast was probably the best with AVG a close second, however in my opinion, the absolute best is Kaspersky. I had stuff on my machine that had been there for a year or so and Norton never found it, nor did any of the free ones find them. When I installed Kaspersky, I ran a scan and found them all. It updates virtually at any interval that the user selects and can be set to scan at any interval. It costs less than Norton or McAfee and does a better job. Good luck