Certain events require Total Visual Agent to launch external programs, including:
Compacting ADP files
Executing Custom Commands
Executing these actions from an unattended or a non-interactive user account, like with the Total Visual Agent Service, is risky. It can cause the computer to stop responding, leave programs open in memory, and possibly corrupt data.
If you understand these risks and still determined that you want to launch external programs using the Service, Microsoft has a few suggestions. Refer to the following Microsoft KnowledgeBase articles for more information: