INSTALLING WINDOWS XP PROFESSIONAL FROM AN EXISTING OPERATING SYSTEMIF...
5. Select how often and at what time of day updates should be downloaded and
installed. For users with dedicated connections (such as a cable modem), you
should configure Windows to check for updates daily at a time when the user is
not using the computer. Users with dial-up connections might want to check less
frequently if they are concerned about allowing their computers to connect to the
Internet automatically.
F02US09
Figure 2-9