Chris wants to know if he really needs Webroot and Windows Defender. Leo says he doesn't need Webroot at all, and it's likely they paid the computer company to put it on. He should free to uninstall it. Windows Defender will do a great job and it comes free with Windows 10.
Rich wants to know if Webroot is a good antivirus utility. Leo says that Webroot is good, and they're a sponsor. They offer additional protections because they're cloud based. But he really doesn't need it. Windows has its own antivirus called Defender that's quite good. Also, the state of malware is such that most occur as 'zero day exploits' which an antivirus can't catch. But Webroot will protect him for the most part. He should remember that his number one defense is his online behavior.
Betty bought Webroot software for her XP Machine. She renewed and reinstalled it. Now she sees nothing on her screen. The problem with XP is that Microsoft no longer supports it and flaws are making Betty vulnerable. No antivirus will protect her from those vulnerabilities. Leo suggests going into the programs and uninstall everything and start from scratch. Also, here are a few steps Betty can take to protect herself since Microsoft has stopped supporting XP: