This is where 90% of failures happen. KUKA Sim Pro 2.0 often cannot find the dongle because of a missing system path.
This is the most common "key install" search query. You will bind a license to your PC's hardware.
.WibuCml file back (via email or download).| Error Code | Likely Cause | Fix |
| :--- | :--- | :--- |
| -15 | License file does not match PC's MAC address or HostID | Re-host license via KUKA portal; request new .lic file |
| -97 | License Manager service not running | Run net start KUKALicenseService as admin |
| LIC-1001 | Corrupted .lic file (extra spaces or line breaks) | Open .lic in Notepad++ → ensure single line of text |
| Time mismatch | System clock skewed (common on virtual machines) | Sync time with time.windows.com |