Clearing the cache of the virusdef
C:\Program Files\Common Files\Symantec Shared\SymcData\
Delete these folders:
sesmvirdef32
sesmvirdef64
In the registry, under this path:
HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\InstalledApps
Delete these key/values:
SymcData-sesmvirdef32
SymcData-sesmvirdef64
Delete these reg keys
HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\SharedDefs\SymcData-sesmvirdef32
HKEY_LOCAL_MACHINE\SOFTWARE\Symantec\SharedDefs\SymcData-sesmvirdef64
Try the procedure below. Hope this helps
Changed the timed-out value:
PREFERENCES\INTERNET_CONNECT_TIMEOUT=100
PREFERENCES\INTERNET_READ_DATA_TIMEOUT=100
Run Liveupdate
Please call in case the scheduled liveupdate fails.
Note: Please ensure that .jdb(manual update) file will be used in case the problem persist.
Thanks,