Unplug the dongle, wait 10 seconds, and plug it into a different USB port (preferably one directly on the motherboard if you are using a desktop).
The most frequent culprit is an outdated or corrupted driver. Disconnect the hardware key from your computer. parashara light 9.0 hardware key not found
Install the driver first, then plug the hardware key back in. Step 3: Check the Sentinel Local License Manager Unplug the dongle, wait 10 seconds, and plug