Found in the install logs:
12-30-2019-10:14:57: * Check if Java SE Development Kit 1.8.0_221 has been installed before ...
12-30-2019-10:14:57: ********************************************
12-30-2019-10:14:57: \SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{64A3A4F4-B792-11D6-A78A-00B0D0180221} is not found.
12-30-2019-10:14:57: \SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{32A3A4F4-B792-11D6-A78A-00B0D0180221} is not found.
12-30-2019-10:14:57: Java SE Development Kit 1.8.0_221 is not installed. Will check other versions
This is due to not having JAVA installed on the standalone MySQL server.
1. Browse to the following folder:
D:\Veritas_eDiscovery_Platform_Full_Node_Installer_X.X\packages\JDK\X.X.X_XXX
NOTE: Based on where you downloaded the binaries for eDiscovery Platform it may be in a different location.
NOTE2: Replace the Xs above with appropriate numbers matching your download.
2. Copy the contents of this folder to the MySQL DB server.
3. Run installJDK.bat
4. Once it completes, attempt to run the MySQLupgrader.exe again.