Follow these steps to latest update on previously applied Service pack 1 Update.
Make sure your system meets these requirements before installing the latest update:
ePO - On-prem 5.10.0 RTS/EA build is installed.
Administrator permissions are needed.
Stop the ePO - On-prem Application Server Service (Tomcat).
Log on to ePO - On-prem as administrator.
Copy and extract the update package to your ePO - On-prem server.
Run ePOUpdater.exe from the folder where you extracted the update package.
Enter the database password and click Continue.
Select Previously installed Updates and click Repair.
Click Finish.