That version went EOL over 3 1/2 years ago - McAfee Product and Technology Support Lifecycle - Software & Utilities | McAfee Support
I imagine its just incompatible with the current data files. You should uninstall and install your latest licenced version.
I do realize that it is an outdated version. We will be going to a newer version later in the year. Not all machines have this error.
It's not only outdated, I don't think it's protecting you from any of the current malware - 8.5.0 doesn't even support Artemis so you are running weeks behind the curve on detections.