Good day. When I saw that my free antivirus was not doing its job, I decided to additionally install Norton Antivirus. And I immediately had a problem, as two antiviruses began to conflict with each other, and my computer stopped working normally. I found norton antivirus phone number and contacted their support team. After they listened to me carefully, they suggested how it could be easily fixed, and I did it. I am very grateful to them for such good service.