Light burn usb connection issues

Hi, I’m having serious issues connecting my laptop to laser using light burn, I’ve ran a nmbr of jobs using grbl and no issues, I believe it’s a setting or a bug in light burn I’m attaching a shot of the fault displayed on light burn. I can go onto lightburn and load a job without any issues and the next time it may take five or six attempts or it may refuse altogether, eventually it sometimes will display that the la.ser is not connected, but if I go on to grbl no issues, please HELP

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