free open source (GPL) utility for Windows XP and later. It silently sits in your system tray until you lock your workstation. If now somebody removes the A/C power connection to steal your laptop, it will play a loud sound from your Laptop speakers until power is back again or you have unlocked your workstation.
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Zdenek Rauner, all rights reserved
last website update: 23-Apr-2026 - 20:22:38