Before you download, open, or share files from the internet, you need to be sure they’re safe. And how do you do that? I simply use a file scanner to check for known threats like malware, viruses, and ...

From viruses to spyware, we break down the key differences so you know exactly what you're dealing with.

The longer your computer stays infected, the greater the risk to your security and privacy. But how do you know when it's infected so you can take action? If you pay close attention, your computer ...

Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

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 ...

This is something we don’t have to tell our readers, but it’s recommended for everyone — especially those with a Windows PC — to have a virus scanner installed. Luckily the world isn’t devoid of ...

To fix high memory usage by Antimalware Service Executable on Windows 11, try turning off real-time protection, uninstalling pirated apps, scanning for malware, rescheduling Windows Defender scans, or ...