LIve Update and Security

Running OS 10.15.6 and Norton 360 8.5.10.

Told to run live update because security is at risk. No matter how many times I run it, the security window still shows I am at risk. How to fix this?

Thanks

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Vulnerability signatures will not update. Running Mac OS 10.14.6 Norton 8.5.10 I have to uninstall and reinstall NIS for Mac every day. Don't have time to do this. Does Norton have an Internet security solution for MAC's that works?