I understand you're looking for information about the "Hardware Key Not Found" error in Parashara Light 9.0 (often written as PL9.0) and the best ways to resolve it.
Switch Ports: Move the USB key to a different port directly on your computer (avoid using USB hubs or extensions). parashara light 90 hardware key not found best
Finding the Best Solution
Developer Contact: Since Parashara's Light is developed by GeoVision Software Inc., you can reach out to them directly for hardware-related replacements or software patches. I understand you're looking for information about the