141 MB LiveUpdate only 22 hours after previous LiveUpdate

22 hours since last LiveUpdate.
Run new LiveUpdate: 141.50 MB size,


All 5 out of 5 items Norton 2011 successful:
IPS Definitions
Iron Whitelist
Virus Definitions
web Protection Definitions
Pulse Updates

Size of current LiveUpdate seems much too big, although the updates taken during the last couple of days have been small, about 200 kb to 400 kb at a time about 3 times per day.  Still, most recent LiveUpdate just seems too big.

 

NIS v18.7.0.13

Windows XP s.p. 3, laptop - Toshiba Satellite, 9 years old.