License key not found

Reinstall the license key driver to follow the steps below.


Download the latest license key driver (Sentinel Driver v7.6.0) to your computer from the address below. The file name is ””.

2. Unzip it.
3. Remove a USB license key from PC.

Execute “Sentinel System Driver Installer 7.6.0.exe”.

5. When installing, select “Custom“ as the setup type. On the custom setup screen, install both “Parallel driver“ and “USB system driver“.
If the maintenance menu (modify, repair, remove) is displayed, uninstall the driver to select “Remove“, restart your computer and run the installer again.
5. Restart your computer after installation.
6. Insert the USB license key and confirm the license key is recognized.

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