By default, LiveUpdate is set to run automatically each day to ensure that your computer has the latest protection from spyware and viruses. Follow the directions below to verify this setting has not been changed and your computer is regularly getting updates.
STEP 1: Open Symantec Endpoint Protection by going to Start -> All Programs -> Symantec Endpoint Protection -> Symantec Endpoint Protection.
STEP 2: Click Change settings.
STEP 3: Click Configure Settings next to "Client Management."
STEP 4: Click the Scheduled Updates tab.