There are a number of clues to look for in order to determine the actual cause of why LiveUpdate is not completing properly. We are going to mention a few here:
Here are some of the causes for the above symptoms:
Note: For SMSDOM 8.x, please refer to article "http://www.symantec.com/business/support/index?page=content&id=TECH131156" for instruction on how to modify liveupdate.conf file
5. Check in the C:\windows\temp folder for a file named Jlu.Session.End.dat. If this is there delete it. This file is normally created when LiveUpdate is running to prevent another LiveUpdate from running a second instance. This file is usually deleted after the end of a LiveUpdate. But if for some reason this file is there and should not be delete it.
The following steps will resolve each of the issues above