Every time I've had the pleasure of troubleshooting a slow computer, I've discovered that viruses were sapping the PC's performance—and that's included my own. However, you don't have to start pricing ...

Q: When I do a full virus scan on my PC, the program says I have 683,000 files. How do I find and get rid of the unnecessary files? A: Depending upon your setup, there are a few things you can check ...

Realizing that your computer is infected with a virus can be a heart-stopping moment, but there's no need to panic. Viruses or other malware can have a devastating effect on your PC, slowing its ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Q: I clicked on a link in what seemed to be a legitimate website and immediately a Trojan horse pop-up came up on the screen. I tried to close down and back out, which it would not let me do so. There ...