[Solved] Update symantec Anitvirus definitions using command line or command prompt

Sometimes you may either not be able to update the anti virus definitions via the GUI.
One reason could be the GUI may not be visible / is disabled.
Another reason could be that the you may want to schedule it.
Either way the way to run it is to open a command prompt and go to the Symantec antivirus directory and then execute the VPDN_LU.exe.
This file will start the antivirus definition update process.

Happy keeping your antivirus updated.