[Help] GT Designer3 "License Not Found" Error - How to locate the serial key?
(License Key). If you are using a trial or update version, it may still require the primary Product ID from your original software package to be fully registered. Check for GT SoftGOT Dongle : If you are trying to run GT SoftGOT , this version specifically requires a physical USB License Key (HASP dongle) GT27-SGTKEY-U
The error is a frequent roadblock for automation engineers, system integrators, and maintenance technicians working with Mitsubishi Electric factory automation software . This error prevents GT Designer (part of the MELSOFT GOT Works suite) from launching or compiling projects, stalling your HMI (Human-Machine Interface) development.
Windows security layers often block the background license-validation service. If the software was not installed using explicit administrative privileges, the localized validation mechanism cannot read the software's product ID or installation identifier from encrypted areas of the Windows Registry. 3. Antivirus and Security Software Interferences gt designer license not found
Open the installation media (CD or downloaded installation folder). Right-click Setup.exe and choose . Carefully type your Product ID when prompted.
Updating Windows or changing a computer’s hardware ID can sometimes "break" the link the software established during its initial setup. Strategic Solutions To resolve the issue, the first step is often the simplest: running the program as an Administrator
If the software was installed using a temporary or incorrect product key, you must re-input your valid Mitsubishi license. [Help] GT Designer3 "License Not Found" Error -
: Sometimes uninstalling and reinstalling only the "Licensing Service" component of a software suite resolves the "Not Found" error without requiring a full software reinstallation. Are you using for live streaming or Mitsubishi software for industrial programming? Precautions when Replacing the GT14 Model with GT2505(HS)
The "License Not Found" error in (part of the MELSOFT GT Works3 suite) typically occurs due to issues with the installation of add-on licenses, corrupted configuration files, or improper software updates. Common Causes of Licensing Errors
The error usually stems from issues with the software's registration, installation environment, or security conflicts: Missing or Incorrect Product ID Check for GT SoftGOT Dongle : If you
Regularly download environment updates and environment fixes from the official Mitsubishi Electric automation portal. Updates often include patches for operating system compatibility issues that cause licensing bugs.
This tool can sometimes repair the link between the software and the registered license key. 4. The "Clean Reinstall" Method
: Local application data or "trusted storage" files used by the license manager may become corrupted, preventing the software from verifying your Product ID. Steps to Resolve the Error 1. Register Required Add-on Licenses