Custreasonedit.exe - Windows 2003 Resource Kit Utility

Removes the reasons listed in the event shutdown tracker dialog box.
Switches: /i - To use interactive dialog (GUI)
/l - To list existing shutdown reasons
/e fn - To export the custom reason key to file fn
/r fn - To import key file fn
/m host - Set initial target machine
/s - Specify to use system locale for custom reasons