Why many antivirus software make computer slow?

What is better Norton OR CA?

Norton antivirus products are very popular antivirus and anti-spyware programs in the software market. One of its products is Norton AntiVirus 2009. Many computer users have installed it as their PC security tool. I have used it for a long time, and it is really reliable antivirus software in my opinion.http://www.sharewarerating.com/norton-antivirus-2009I don not know about you but i went to collage about computers they say norton makes your computer slow

What are the types of anti viruses of a computer?

AntiVirus Software | Spyware Removers | AntiSpam Software | Firewall Software | All these are the main types of anti-viruses of a computer. You can choose different type according to the specific situation of the virus on your PC. http://www.sharewarerating.com/software/antivirus

Why do you use antivirus software?

Computer viruses are self-executing, replicating programs written specifically to change the way a machine works, without the knowledge (or permission) of the operator/owner. They can seriously damage the machine by deleting important file and corrupting programs. So the best way to avoid viruses is to use reliable Antivirus Software.

What are some dangers in downloading free antivirus software?

There are many unknown dangers when downloading free antivirus software. They can be viruses themselves or in many cases give a sense of false security. Free antiviruses are very for viruses to sneak past and end up in the users computer.

How much memory does AVG antivirus take up on your computer?

It should take about 8 or more, but i like it because its not a huge program like avast or avg and other ones.

Why is it importance to scan your computer daily?

I assume you are talking about a virus scan. I don't think it is important. You can scan your entire computer ONCE after you install your antivirus; after that, perhaps every few months. Modern antivirus programs will automatically scan individual files when you try to open them; this renders a scan of the entire computer superfluous.You DO have to make sure that 1) your antivirus is still active, including the function described above (to scan every file as you open it), and 2) that it gets updated regularly.

How many computers in the business world have antivirus software that have been disabled or never installed properly?

Half of the computer population, maybe even more.

Where can I get the best antivirus software?

There are many antivirus software programs to choose from. They can be purchased in stores and online from retailers such as Walmart and staples as well as directly from the company's website. Norton has won many awards for their software.

What are disadvantages of antivirues?

Antivirus has no disadvantage. It has only one disadvantage is that reduce the computer's performance or speed. If you don't have an anti-virus software program you can get a virus and spend many joyful hours fixing your computer. If you had the software you would have been bored with nothing to do.

How many computers in the business world have antivirus software that has been disabled or never was installed?

Half of the computer population, maybe even more. Source: Guess :D

Where can you buy a bit defender for your computer?

In my experience "Bit Defender" is an antivirus software, available at Target and Walmart, also available from many online merchants such as Amazon and Newegg.

An Inside Look at McAfee Antivirus?

When it comes to protecting your computer from all of the most serious virus threats that are circulating the internet, McAfee Antivirus has long been considered to be one of the most reputable antivirus programs in the industry. Unlike Norton’s antivirus software, McAfee Antivirus does use up much of your computer’s resources and is very easy to uninstall if your decide to try out a different virus protection software package in the future. McAfee Antivirus provides computers with daily updates on all of the latest malicious codes that have been discovered by computer security professionals so that you can be sure that your computer is completely protected. Here is an inside look at what you need to know about McAfee Antivirus. While pretty much everyone knows that they can rely upon McAfee Antivirus for comprehensive virus protection, it is crucial that computer owners know how to use this software properly. If McAfee Antivirus is not configured to automatically download new virus definition and other pertinent information, a computer owner may rapidly discover that his or her virus protection software is powerless to protect them from the newest virus threats to emerge on the internet. At the same time, many computer users make the mistake of ignoring certain prompts from McAfee Antivirus that require an user to take some particular action. For example, this program will sometimes require an individual to restart their computer before an update can be put into place, and failing to restart the computer can leave a person vulnerable to certain viruses. One of the most popular features of McAfee Antivirus is that it can be configured to run quietly in the background of your computer without intruding with a computer users daily computing. Some virus protection programs like Norton AntiVirus seem to constantly be interrupting a person’s activities with notifications of a system scan or the discovery of some minor threat. As anyone who has worked with Norton security software programs before can attest, the system scans performed by this line of software consume an enormous amount of a computer’s resources and can be very inconvenient. McAfee products, on the other hand, run so quietly and unobtrusively that you will sometimes wonder if they are even running at all.