Scroll through the list to find the licensing service associated with your software. Common examples include: Sentinel LDK License Manager HASP Loader CodeMeter Runtime Server Aladdin Knowledge Systems Right-click the service and select .
Check the column. If it is blank, right-click the service and select Start .
Software updates frequently break older device drivers. If your software was recently updated, the old dongle driver might be incompatible with the new version. Scroll through the list to find the licensing
Intro: Define error, common scenarios (software update attempts, license validation). Importance of dongles in copy protection.
Some license managers communicate locally via specific network ports (for example, HASP uses port 1947). Ensure your local firewall is not blocking internal traffic on these ports. If it is blank, right-click the service and select Start
Provide a clear, actionable in-app message and help flow when the application fails to detect a required hardware security dongle.
Dongle-protected software relies on a background service running in your operating system. If this service crashes, the software will not see the hardware. Press Windows Key + R , type services.msc , and press Enter . If this service crashes
Before we dive into the troubleshooting steps, it's essential to understand the common causes of the "security device not found" error:
Some dongles have updatable firmware. Visit the manufacturer’s support page for a firmware update utility. Incorrect firmware updates can permanently brick the dongle. Follow instructions exactly.