The Macintosh computer is not normally known to have viruses. Antivirus programs keep computers safe. Intego, Kapersky, and Avast are the names of popular programs.
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PC tools are antivirus programs for computers such as Mac, Windows, and Linux. Examples include Panda Cloud Antivirus, Comodo, Ad-Aware, and AVG Free.
The best (and perhaps usual) answer is to use an antivirus program. For Windows, there are hoards of antivirus programs available like McAfee, Norton, Kaspersky, AVG, K7, Quickheal, Avast!, etc. For Mac and Linux, there one AV software available called Clam AV (ClamAV.net).
One can compare the best antivirus programs and hardware utilities at online technical review sites such as Cnet and PCWorld, a consumer shopping site such as ConsumerReports, and in technical forums such as WarriorForum and BlackHat.
The best spyware blocker programs are, by far, definitely Avast! Antivirus and Malwarebytes. A lot of people use Norton Antivirus, but it actually puts viruses ON your computer and then takes it off so it looks like it did something.
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No antivirus does not come with Mac. You can purchase the antivirus software with your Mac but because Macs are less likely to get virus the antivirus software is not really needed but can be purchased to be safer or backup your computer.
Some programs aimed to increase perfomance of computers are not compatible with antivirus software.
If you are running Windows 7, then Microsoft offers a free antivirus program that is probably the best you can get. If you are running an earlier Windows system, then AVG is your best best. If you are running a Mac or Linux laptop, then no antivirus software is needed. dorothy.wilson8081@yahoo.com
Almost all antivirus programs will provide virus alert. Some popular programs are Norton Antivirus, McAfee, AVG, Bull Guard, Panda Security, and Avast.
Types of antivirus programs you can buy include AGV antivirus or Norton 360 antivirus software. Some are cheaper than other so you must choose what is more economic for you.
Choosing an online antivirus can be difficult at times because there are so many out there offered. Some of the best free online anti virus programs include; AVG, Microsoft Security, Comodo, McAfee and Avast.