You can confirm that there is another process or program running on the server that is using TCP port 9191. This is done by opening a Command Prompt and typing netstat -abno > C:\test.txt. This will generate a text file you can open in Notepad. Search through this file to find the first occurrence of :9191 (including the : ). You will see the below output:
SemSvc.exe is a process created by Symantec Endpoint Protection. You will need to reconfigure the service to not use port 9191 or uninstall the product. Please consult with your Symantec Endpoint Protection specialist.