Most people think (include your father) that buying a well known antivirus software will make their PC safe, receive auto-update regularly and etc.. try to persuade this group of people into free antivirus software like AVG (which is good AV) is waste of time.. "getting something for free and letter you will get something (virus) for free too, nothing is for free"..... So try to persuade them into kaspersky antivirus (better then NORTON even though it little bit slow - scanning everything that execute in background).
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start using a firewall software or ip blocker software like Peerguardian 2.
Most people think (include your father) that buying a well known antivirus software will make their PC safe, receive auto-update regularly and etc.. try to persuade this group of people into free antivirus software like AVG (which is good AV) is waste of time.. "getting something for free and letter you will get something (virus) for free too, nothing is for free" ..... So try to persuade them into kaspersky antivirus (better then NORTON even though it little bit slow - scanning everything that execute in background).