All I know is that if these two services don't start, the database will act like it's corrupt until you start them and restart your computer:
Sometimes it's the antivirus app that gets in the way of loading them, and only intermittently so. Some people have had success setting them to automatic, delayed. I have no idea why this works.
I have faced similar problems with MAX, with 2017 version. Specifically, with VISA driver. It was happening even if the required services are running properly. Had to uninstall all the (LabVIEW/Max/Visa) software's and reinstall with compatible max/ visa version to solve the issue.