A.L.A.R.M. is A Laptop A/C Removal Monitor for Windows XP and later. If your workstation is locked and A/C power is being removed, it loudly plays a warning signal for theft protection. Slim, sound file can be specified.
Great small app. Just one thing: If the laptop is close, switched off or volume is turned down (by the theft), then the alarm is disabled. It will be great if someone can add a new feature to disable the sleep mode, the switch button and the volume control. Anyone interested?