Does a reliable free antivirus exist?
Antivirus programs keep your computer safe and secure from a variety of malicious viruses, spies, etc. If you use several antiviruses at once when checking your computer, it will significantly reduce its overall performance and can lead to various hardware conflicts, so it is worth determining, and choose only one antivirus program for protection. So, let's review and determine which free ant ivirus is the most reliable and best.
Avast! Free Antivirus
Avast is one of the best free antivirus in fighting the latest threats. It is constantly updating its malware detection algorithms and has maintained its leading position for many years now. It is in no way inferior to other commercial "monsters" of its type, even though it is completely free. It can scan your computer in real time, together with protecting your internet connection, check email, P2P protocol, downloaded files and much more. The main plus of Avast! Free Antivirus is the very low consumption of system resources, which will not affect the performance of the system as a whole.
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Microsoft Security Essentials
MSE is a good system for detecting threats, especially rootkits. Microsot spent a lot of time developing it, and Microsoft Security Essentials has virtually no false positives, removing malware flawlessly. The program is great for beginners, as it requires no intervention in its operation - it automatically updates databases and removes threats. You won't get annoying windows and messages, and registration is not required at all, Microsoft Security Essentials only checks Windows certificates. On the downside, it takes a very long time to scan and move threats to the quarantine folder. Also, the program may not be available in some countries and to install Microsoft Security Essentials, you need to have a licensed copy of Windows.
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Panda Cloud Antivirus (PCA)
The program is endowed with a fairly simple interface and is suitable for the average user. It is also fully automated - it will remove threats and update signature databases by itself. The very high level of threat detection provides great reliability, but it's worth noting that zero-day malware detection is slightly lower. Panda Cloud Antivirus uses cloud technology to release database updates faster.
Avira Free Antivirus
For a considerable time, this program was considered the leader among similar free scanners. But, after the release of Panda and AVG antiviruses, its popularity has fallen a bit. Avira uses quite sophisticated algorithms to detect malware, but it has a few important disadvantages: Avira does not have the ability to check web or e-mail, such an option is available only in the paid version. Also in the program there are annoying ads and notifications at each update of databases.
AVG Anti-Virus Free Edition
AVG is a fairly widely used antivirus that is also free. Despite the fact that earlier in the detection of threats in the antivirus noticed some inaccuracies, today this is corrected, and the level of protection is much higher. Previously, the AVG antivirus program was not so famous, but thanks to the hard work of the developers, today it has begun to earn its connoisseurs. From the disadvantages, it is worth paying attention to the relatively large size of the program, speed jumps when scanning, as well as the presence of advertising banners.
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Which of the above antivirus to choose is your decision, you should try to work with all of them, and then finally decide. Remember - antivirus software is necessary for every computer on which operating systems of the windows family are installed.