Norton Utilities System Health question

I used the registry utilities and then cleaned and defragmented my hard drives and my startup went from 3 minutes to 45 seconds.

However, the graphic when I bring up Norton Utilities shows my system pegged at the bottom on the left side in the red...?

I am happy with the performance upgrade but if someone is not terribly experienced, that graphic might make them think that the product is not working and could give the utilities a bit of a bad reputation.

Just wanted to bring it up; perhaps it is a problem related to my machine alone?  Windows 10, current version, I5, 16 Gb RAM, 1 Tb HDD, current BIOS and other drives.