Hope this saves someone the 2 hours of troubleshooting I just went through! #Automation #Mitsubishi #HMI #EngineeringTips #GTDDesigner
to ensure the license registry keys are correctly written to the Windows Registry. MITSUBISHI ELECTRIC Global website 4. OS Environment Settings
If the software opens successfully, permanently change this setting.
If none of the above solutions work, your license key may have been deactivated or corrupted in the system. gt designer license not found
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\MELSOFT\LicenseManager
Delete residual folders in C:\Program Files\MITSUBISHI\GT Designer 3 and the %APPDATA% path mentioned above.
GT Designer requires deep access to system folders and registry keys to verify its license. Standard user accounts often block this. Hope this saves someone the 2 hours of
Enter your valid GT Works / GT Designer serial number and complete the wizard. 4. Configure Antivirus and Firewall Exceptions
Right-click the Autorun.exe or Setup.exe file of GT Designer and select . Carefully type your valid Product ID when prompted. 💻 Step 5: Check Virtual Machine (VM) Compatibility
Always store your license key in a digital vault or physical sticker on the software box. OS Environment Settings If the software opens successfully,
The error frequently occurs when multiple components of the environment are mismatched. If you install an older standalone component over a newer integrated suite (such as updating GX Works3 while leaving an older version of GT Designer active), the shared registry keys can become corrupted. 2. Permissions and Administrative Restrictions
If you typed the wrong key during setup, you do not need to reinstall the software. You can change the key directly in the Windows Registry. Press Windows Key + R to open the Run dialog box. Type regedit and press . Navigate to the following path based on your system type:
If you accidentally installed a of the software, it will expire after 30 or 60 days. Once expired, you cannot simply enter a key; you must perform a full uninstall and then install the Standard Version using your paid license key.
If your system features a blend of different update builds, a fresh structural alignment is needed.