Here's the quick and dirty way to TURN OFF or DISABLE the "Shutdown Event Tracker" on Windows Server 2008 for all your test, development and virtual servers.
[Note: For Windows Server 2003, Look here: Turn off Shutdown Event Tracker ]
1. Start...Run...Open: type: gpedit.msc

2. Of course...

3. Find: Local Computer Policy, Computer Configuration, Administrative Templates, System:
4. Select: Display Shutdown Event Tracker [Note: It's "Not Configured" by default.] More...