Please follow the below written steps. This will resolve the issue. 1. Open Live Update setting from Control Panel. 2. Change settings as attached picture.
3. Now go to "C:\Documents and Settings\All Users\Application Data\Symantec\LiveUpdate"
4. Open "Settings.LiveUpdate" & change the value as given in the attachment (Red marked).
5. Save & close it.
6. Go to start & Run. enter "luall". This will start a fresh live update.
7. See whether the process complete without error or not.