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The problem has been fixed in 5.8.3. Older versions will not be fixed because the problem only applies to the development computer and as mentioned above there are two easy workarounds: If you are not using the 3D navigation (VirtualAssist), you can delete the folder Std\Hmi_V5_x\MQTT. This will solve the problem for this project permanently Otherwise, you need the MQTT broker. If you start mosquitto.exe once before starting the HMI, the HMI will start up correctly. Also, when closing the HMI, mosquitto will stay open, so the next HMI start will work as well. (Even when working with different HMI projects, you can leave the same mosquitto instance open.) ... View more

This problem has been solved in Control plus HMI V5.8.3. It occurred sporadically (in some projects quite often) when using the EventRecorder widget on the status page. ... View more

The error message comes directly from the underlying Flexera licensing system. We have checked the code, but it is not really helpful. So I would recommend these steps: Delete the folder corresponding to your dongle ID on the target system in C:\NexeedLocal\Licenses. If there are any other folders belonging to other dongles, you can delete them as well. The folders never contain any valuable information that cannot be restored from the license portal. Restart the target system and start the workflow again. ... View more