Tech & Science How to know if you have a computer virus, and what to do about it. One sign that your computer might be infected is when you spot missing files.

Computer viruses can invade your system without you noticing, disrupting its operation and even stealing your data. To protect your device, it's important to know how to recognize signs of ...

Antivirus and anti-malware apps fill an important need on our computers, but they're not foolproof (*ahem*, McAfee ). More often than you'd think, th ...

What you need to know about computer viruses. Viruses have been around for decades (the first virus was created in 1971) and is so synonymous with the concept of malware that some people refer to ...

How to Tell If Your Computer Has a Virus With the Windows Task Manager. Reviewing Windows Task Manager for unusual or odd-looking processes is a good place to begin.

Your computer probably has a virus if you can answer “Yes” to any of the questions below: Is your computer running quite slowly? A virus often causes a computer to run slowly. But realize that ...

Here’s how to tell if your computer has been hacked—and what to do about it. Skip to main content. A Trusted Friend in a Complicated World. ... 12 Signs Your Computer Has a Virus.

• Data usage: The first sign that your phone has a virus is the rapid depletion of its data. That’s because the virus is trying to run a lot of background tasks and communicate with the internet.