I’m getting an error that “GX Simulator is not installed” even though I believe it should be present. Can you confirm if the simulator is required for this environment? If so, please provide the installer or steps to resolve this missing component.
Sometimes the software "forgets" where the simulator is located. Reinstalling is the cleanest fix, but you should first try to "Repair" the installation via the . Select the Mitsubishi software and choose Change/Repair . 4. Compatibility Mode (For Windows 10/11) If you are running older software on a new PC: Go to the installation directory (usually C:\MELSEC\ ). Find the LLT.exe file. Right-click > Properties > Compatibility . Set it to run for Windows 7 or XP Service Pack 3 . Understanding GX Works2 vs. GX Developer The fix depends heavily on which suite you are using: gx simulator is not installed