Following BT instructions. I removed McAfee. Installed Norton but there was a message "auto-protect" not fixed. Contacted chat line and they advices to remove Norton and reinstall. This produced the same outcome "auto-protect" not fixed. Therefore ran a quick scan. 5 hours later still running with no indication of when it would finish. Removed Norton and restored Windows security, but not sure how good windows security is? Advice appreciated.
I use Kaspersky and have never had any problems with it, plus the portal gives you a lot more information and allows you to lock and locate lost devices. I tried the Norton offering, but I had several problems with it, so gave up.
Microsoft security program now gets consistently good reviews. If you do an Internet search you can check for your self.