First of all, is there a way to make it stop asking to authorize the quicklaunch script? That and CDex are the only things stopping this from being a totally unattended install (well, then there's Winfast PVR, but that's another issue I doubt I'll be able to resolve).

Second, is there a way to install the latest updates to NAV (or at least the virus definitions) silently? I've seen the method for Corp 8.1, but that doesn't look like it'll work for NAV.

To install Virus definitions silently

http://securityresponse.symantec.com/avcen...s.download.html

The executable work with /Q switch

Looks like Symantec don't offer downloadable files for NAV2003 (program updates, not definitions). You can only get them through LiveUpdate.

They do. The defs are the same. Check out here:

http://securityresponse.symantec.com/avcen...s/US-SAVCE.html

the second one can be used with all versions of AV.