The USB Alert Program uses WPF and .net4 to detect if USB
Devices are still connected, and provide a means of ejecting them
when the user logs off.
Install via Group Policy, and add a log out script pointing to
c:\program files (x86)\Crickhowell High School\CHS USB
Alert\USBAlert.exe (wont run it if the program isn't installed
Parameters can be /nosound /timeout xx