It's important to know the signs of a virus, so that you can act quickly to get rid of any malware and stay safe in future. A virus is a type of malicious software, or malware, that can replicate ...

Even if you're cautious, there's always a chance that a virus could sneak onto your PC. Sure, Windows does have built-in security to block malware, but all it takes is one wrong click. Maybe it's a ...

A virus scan protects PCs; however, it can sometimes slow the system down or cause it to hang while it checks thousands of files. This usually happens when the scan places a heavy load on the ...

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Our computers store a lot of important information about us, including our addresses, passwords and credit card information. Viruses and other malware can be used to steal this data, slow down our ...

I tested five antivirus programs on one PC in 2026. Norton 360 is the fastest, Bitdefender the lightest, and Avast the best free tier.

Do you still need third-party antivirus on your Windows PC?