Faronics Deep Freeze makes PCs indestructible by returning your computers back to your desired state upon every restart. While the computer is now indestructible, the user may wish to retain application data across multiple restarts. Use the complementary Faronics Data Igloo application to retain application data such as new virus definitions updates, scan history, configuration of antivirus and other data on Frozen computer.
This video provides an example of how to redirect Microsoft Security Essentials Antivirus on XP, Vista amd Windows 7 systems using Data Igloo.
Click here for the detailed Knowledge Base: http://support.faronics.com/Knowledgebase/Article/View/357/8/retaining-application-data-with-data-igloo