My Auto-Update settings are
Permanent Internet Connection
Automatic/Automatic
[Don’t] Show Update Progress - Unchecked
[Don’t] Show Icon - Unchecked
Silent
But, whenever (good old) Avast updates itself it throws up a message to click for more details, down by the Win XP clock, lower right hand corner.
Time (minutes) for update checking. In the Home Edition, any value lower than 2 hours is ignored, i.e., the value 2 hours (120 minutes) is used instead in this case.