is the most common error encountered by users of Parashara’s Light 9.0, typically occurring when the software cannot communicate with the physical USB security dongle or the digital license service.
Go to the and look for "Sentinel Runtime" or "HASP Driver." Uninstall it. Restart your computer.
Install the driver first, then plug the hardware key back in. Step 3: Check the Sentinel Local License Manager parashara light 9.0 hardware key not found
Visit the official Parashara’s Light (GeoVision Software) support page or the driver manufacturer (Thales/Gemalto) to download the latest .
Ensure the status is "Running." If it’s stopped, right-click it and select . Set the "Startup Type" to Automatic . Step 4: Configure Antivirus and Firewall is the most common error encountered by users
In Windows Defender or your third-party Antivirus (McAfee, Norton, etc.), add the Parashara’s Light installation folder (usually C:\PL90 ) to the "Exclusions" list.
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). Install the driver first, then plug the hardware key back in
Do not use unpowered USB hubs or extensions, as they often fail to provide enough voltage to the security key. Step 2: Reinstall the HASP/Sentinel Drivers