AVG free, Zonealarm, Adaware 6 SE, and Spybot Search & Destroy.

Problems in the four years since I ditched Norton:- Zero.

When I first installed AVG, it found viruses that had got past Norton, and Norton also made my computer run like a tortoise.

Open AVG control centre, and go to task scheduler. Click on the scheduled tasks button. Highlight Test plan in basic mode, in the dialogue box, then click on Edit schedule and you will see a check box "Periodically