Reference The Event That Triggered Your Taskhttp://blogs.technet.com/otto/archive/2007/11/09/find-the-event-that-triggered-your-task.aspxTask Scheduler 2.0 (which shipped with Vista and Windows Server 2008) is a complete re-write of the built-in Windows Task Scheduler. Task Scheduler 2.0 is a fantastic automation tool that includes new powerful triggers like "from Event". From a task'sen-USCommunityServer 2.1 SP1 (Build: 61025.2)