1- Stop the NetFlow Analyzer service on Central Server(Collector service should be running).

2- Download the corresponding service pack from this link. 

4- Make sure no java or postgres process is running in the task manager of Central Server.

5-Open a cmd prompt as administrator and navigate to %NetFlow%\bin in Central Server.

6- Execute updatemanager.bat, the update wizard  will ask you to browse for the ppm file.

7- Select the downloaded file, wait for the process to complete.

8- Start the NetFlow analyzer service and check if everything is working fine on Central as well as Collector