<< Click to Display Table of Contents >> Navigation:  WinLicense > FAQ > Registration > Common > My licenses are locked to a USB pen-drive. How can I know if the user unplugs the pen-drive after my application has started?

You have to check the option "Detect Unplug" (in the Hardware Lock panel). When the USB is disconnected (after a few seconds) WinLicense will display the MSG_ID_USB_LOCKING_UNPLUGGED message (from the Customized Dialog panel)