Open the Windows and navigate to Programs and Features .
Locate the specific driver entry paths for your endpoint security suite (e.g., Trend Micro mini-filter drivers).
: Antivirus or firewall programs may block the license verification service from running. MITSUBISHI ELECTRIC Global website Resolution Steps Follow these steps in order to resolve the licensing issue: Run as Administrator Right-click the GT Designer3 icon and select Run as Administrator gt designer license not found
| Action | Detail | |--------|--------| | | Provide error screenshot, license type (dongle ID or license number), and software version. | | Reinstall Windows & software | Last resort – sometimes license corruption remains after uninstall. | | Order new license | If physical dongle is dead, you need a replacement (cost involved). |
Ensure you are using the correct version of GT Designer for your hardware. For example, projects require GT Designer3 Version 1.100E or later. If you're using an older version, the software may not recognize the license for that specific hardware series. Re-initialize Library/AppData (If error persists) : Open the Windows and navigate to Programs and Features
What (Windows 10, Windows 11) are you currently running?
: Ensure your system has at least 200MB of free virtual memory and significant hard disk capacity (minimum 50MB to 200MB+ depending on the version), as low space can cause "abnormal termination" or licensing check failures. | Ensure you are using the correct version
Try a different USB port, preferably one directly on the motherboard (rear of the PC).