Given how much our Windows computers handle, they need some upkeep to run smoothly. Without regular maintenance, performance may dip, security can be at risk, and hardware issues might go unnoticed.

Imagine working on your computer and getting this alert on your screen—that’s what happened to one viewer wanting to spread the word about this new scam.

Antivirus apps protect your PC's personal information, data, bank accounts, and much more. We've tested more than two dozen utilities to help you choose the best antivirus for your needs. When the ...