Important! If you stop sharing a device while USB Redirector is in auto-sharing mode, the device will be added to Exclusion List to prevent immediate automatic re-sharing. For more information see Features - Auto-sharing of USB Devices and How to Remove USB Device From Exclusion List.
Follow these steps to stop sharing of USB device:
If it is necessary you even can stop sharing those shared USB devices that are connected to the remote computers at the moment!
After clicking Stop Sharing button, USB Redirector will begin unsharing of USB device. This process can take a few seconds, depending on the device model.