Right-click the service again and select . Set the Startup type to Automatic . Click Apply and OK . On macOS Systems: Open the Terminal application.
The error message can also appear if you are trying to use a network dongle (shared over Ethernet) but the software updater is looking for a local USB dongle . Check your software license settings:
How to Fix the "Security Device Not Found: Please Attach Your Dongle and Restart the Software" Error
Download the latest version of the Sentinel HASP, iLok, or eLicenser Control Center. Often, the software can't see the dongle because the "middleman" driver is crashed. Right-click the service again and select
Add the installation folder of your software, as well as the folder containing your dongle runtime (usually located in C:\Program Files\Common Files\ ), to your antivirus exclusion/whitelist.
This error indicates that the software’s digital rights management (DRM) or licensing system cannot communicate with the physical hardware key (the USB dongle) required to validate your license. Whether you are using a HASP, Sentinel, CodeMeter, or Wibu-Key hardware device, the root causes and troubleshooting steps are largely universal.
To help narrow down the exact fix for your setup, could you tell me you are trying to open? It would also help to know what brand name is printed on the physical USB key, and if you are running Windows or macOS . Share public link On macOS Systems: Open the Terminal application
What (and version) is your computer running? Share public link
. This is a common security measure in high-value industries like CAD, embroidery, and media production. 1. Root Causes of the Error This error generally stems from one of three areas: Hardware Connectivity
Windows often cuts power to USB ports to save energy. This kills dongle communication. Often, the software can't see the dongle because
In rare cases, the dongle’s internal firmware becomes out of sync. This is not something you can fix with driver reinstalls. You will need the vendor’s diagnostic tool:
If the basic troubleshooting steps don't resolve the issue, you may need to perform advanced troubleshooting: