...
Version 10.0 -- Sophos Anti-Virus Command Line
\
...
SOPHOS0.ad.uci.edu\SophosUpdate\CIDs\S000\SAVSCFXP\Setup.
...
exe -updp "http://SOPHOS0.ad.uci.edu/SophosUpdate/CIDs/S000/SAVSCFXP" -mng yes -crt R
NOTE: The 10.0 version of the Sophos command line is good for use on 32-bit and 64-bit systems.
...