: Add an exception for the hasplms.exe file located in your Windows System32 folder. Restart the Sentinel Local License Manager Service
Add the installation folder of Parashara's Light (typically C:\Program Files (x86)\Parashara's Light ) to the exclusion list.
Which are you running (e.g., Windows 10, Windows 11, or macOS)?
Follow these solutions in order, from the simplest fixes to more advanced technical adjustments. 1. Basic Hardware Checks
How to Fix the "Parashara's Light 9.0 Hardware Key Not Found" Error parashara light 9.0 hardware key not found
Plug the hardware key back in and wait for the Windows notification confirming the device is ready to use. 3. Verify the Sentinel Local License Manager Service
: Plug the USB dongle back in and wait for Windows to recognize the device. Adjust Windows Security and Antivirus Settings
This is the most effective fix for Windows 10/11.
You can reach out to the Parashara Software Support Wizard for specialized troubleshooting. : Add an exception for the hasplms
If drivers are already present, go to your system's Program Maintenance and select the Repair option for the Sentinel driver.
I recently [installed the software / updated Windows / moved my setup], and now the application refuses to open because it can't detect the USB security dongle.
Check the column. If it is blank, right-click the service and select Start . If it is already running, right-click and select Restart .
To avoid the "hardware key not found" error in the future: Follow these solutions in order, from the simplest
to ensure the software has the necessary permissions to access the hardware key. Check Virtual Machine Status : Note that Parashara's Light 9.0 generally does not support virtual machines
Go to the and look for "Sentinel Runtime" or "HASP Driver." Uninstall it. Restart your computer.
Plug the hardware key directly into the computer motherboard ports (on the back of a desktop) rather than external USB hubs.