McAfee, to say the least, had its fair share of problems Wednesday when a buggy antivirus software update caused computers running Windows XP to shut down and experience serial reboots.

Windows’ built-in security suite is an excellent free antivirus option—as we discovered in our roundup of the best free antivirus—even if its protection isn’t quite as strong as third ...

It’s clear that everyone needs antivirus protection, and Microsoft Defender is the first line of defense that comes with ...