Sentinel LDK License Manager Service did not start automatically on Startup
1. Press the Windows Key on your keyboard and “R” at the same time to load the Windows “Run” dialog
2. Enter “Services.msc” and click "OK"
3. Find the service “Sentinel LDK License Manager”
If it is not in the list, you will need to refer to the "How to Uninstall & Reinstall Licence Manager" Knowledge base Article.
4. Click on "Start/Restart" (as appropriate)