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Download and install the latest drivers from the official hardware key manufacturer's site (e.g., Wibu ) or the Parashara Software support page . :

If none of these work, your hardware key might be physically damaged. In this case, you should contact the official support team through the Parashara's Light Support Wizard to request a replacement or a digital license migration.

: Since Parashara's Light is developed by GeoVision Software Inc. , you can reach out to them directly for hardware-related replacements or software patches.

Some security software sees the hardware key as a potential threat or blocks the "HASP" service required to run it.

Some versions of Parashara's Light 9.0 use automated internet activation. If the hardware key is present but not recognized, ensure your system is connected to the internet to allow the software to verify its System ID .

If you have tried all these steps and the key's LED light is still not turning on when plugged into multiple computers, the hardware key itself may be physically damaged. In that case, you would need to contact the vendor for a replacement key.

If a restart doesn't work, uninstall the existing driver (look for "" or " WibuKey Setup " in your Control Panel).