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If you’re serious about your computer and don’t want it to get taken down by malware, protection from antivirus is essential. Antivirus software scans emails programs, files, and emails for viruses, and removes or blocks any virus it finds. The best antivirus software is compatible with all operating systems and uses the smallest amount of resources to not slow down your computer or cause a crash. The majority of antivirus software has to be updated regularly to be able to handle the latest bugs’.

Antivirus programs can protect you from a wide range of malware. These include viruses, worms and trojans (which behave as safe software but steal your data or attack other devices) and spyware that monitors what you type on your keyboard to reveal account information and passwords or flood you with annoying advertisements and alerts. Many antivirus programs incorporate rootkit detection technologies that detect malicious code hidden within your system. Heuristic detection is also looking for patterns and trends in the way programs and files behave to identify the signature-based scanners that might miss.

An effective antivirus program will guard your laptops and PCs from a variety of threats. It should also work on tablets, desktops, and mobile phones. It should be light, easy to set up and use, and shouldn’t rely on «real time» scans that may slow down your system. The best antivirus software is always changing to stay ahead of the curve; a good indicator is how often it updates its virus definitions, and you should strive for weekly or daily updates.