McAfee VIRUSSCAN 4.5 Administrator's Manual page 60

Installing VirusScan Software
Other semi-silent installation methods are:
Logging the installation
To record installation progress in a log file, add this option and parameter to
the Setup command line:
/l*v "c:\temp\log.txt"
Here, c:\temp\log.txt can be any directory and any file name you want to
use to create the log file. This option logs all installer activity, including all files
copied, all registry keys added, and all .INI file changes.
Replace the * shown in the command-line example with one or more of these
parameters to limit the type of data that the log file records:
60 McAfee VirusScan Anti-Virus Software
/qb shows a small progress bar during installation, with a
cancel button
/q+ shows a success/failure installation complete dialog box
/qb+ shows both the progress and completed dialog boxes
/qf shows the full progress bar screen from the regular
installation
i status messages
w non-fatal warnings
e all error messages
a action starts
r action-specific records
u user requests
c initial user interface parameters
m out-of-memory or fatal exit information
o out-of-disk space messages
p terminal properties
+ append to existing file
! flush each line to the log