Just an FYI that I posted a note about an issue we're seeing in product support relating to script errors over on our new OperationsMgr blog:

http://blogs.technet.com/operationsmgr/archive/2009/01/22/anti-virus-software-may-cause-script-failures-in-opsmgr-2007.aspx

Enjoy!

J.C. Hornbeck | Manageability Knowledge Engineer