Symantec Endpointpoint Manager (SEPM) - LiveUpdate - Return code = 4

I have solved this problem by removing all files from subdirectory "sesmvirdef32" and re-run liveupdate.

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Uninstalling liveupdate is not an wise option if you use other symantec product on same machine,

after some investigation I find out another way that sometimes works without harming other

symantec applications:

1) goto Document and settings\all users\application data\symantec\liveupdate

2) you should see downloads directory, empty its content (do not delete the directory itself)

3) delete log.liveupdate and settings.liveupdate and all other x.settings.liveupdate files

4) run luall.exe (from Program files\symantec\liveupdate)