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Antivirus software prevents, monitors, and removes harmful threats from a computer system, including Trojan horses, worms, viruses, adware, and spyware. Antivirus programs can be downloaded or used through online scanners, but success rates depend on accurate virus definitions. Users should choose programs that update virus definitions regularly and avoid running multiple antivirus programs on one computer. Free programs may have restrictions, and online virus scanners can help with virus removal.
When a person talks about antivirus software, they are usually referring to a type of computer program that prevents, monitors, and removes all kinds of harmful threats from a computer system. These threats can include Trojan horse programs, worms, viruses, adware and spyware. Antivirus programs can be downloaded onto a computer system or used through online scanners. Their success rates may depend on the number of accurate virus definitions in their databases.
A serious concern for many computer users is the threat of malicious programs, such as Trojan horse programs, which can install themselves on unsuspecting victims’ systems and cause damage. Other computer threats include adware, which features incessant advertising, and spyware, which can track computer user habits and collect personal information. Several antivirus software solutions can protect against all of these threats simultaneously.
There are many paid options for antivirus software. Some companies offer free antivirus programs for you to download and use. However, these programs may be subject to significant restrictions. For example, some free programs can only be used on personal computers. Other programs may not offer real-time scanning, and users may be forced to manually run antivirus scans on their computer for protection instead of being able to browse the Internet while automatic antivirus software runs in the background.
Antivirus software also exists on the Internet in the form of online virus scanners. These scanners are hosted on websites and can be invaluable tools for those who have infected computers and are dealing with a virus that prevents the user from downloading programs to their computer. Some online virus scanners can also help with virus removal.
No matter which specific antivirus software they choose, computer users should always look out for a few things. Users should always choose programs that update virus definitions regularly so that their programs can detect new virus threats as they arise. Programs that do not update virus definitions can quickly become outdated and will not protect users from new virus threats. Computer users should keep in mind that new virus threats emerge every day.
When installing antivirus software, users should be aware that a good program is generally all they will ever need. Running more than one antivirus program on a computer can degrade the computer’s performance. In addition to slowing down a computer’s processes, installing several antivirus software solutions on a computer can affect its functionality, as these programs may take up a lot of space and require many of the same resources to function effectively.
