Lightburn 1.4 not connecting to laser

I recently updated to Lightburn version 1.4 and when try to send a file to my laser it says it is not connected to the machine. I have a Thunder Nova and I am connected via USB. Did I miss something during the install? I never had this issue with the old version.
any help would be much appreciated.

Almost certainly unrelated to the upgrade. Do you have a COM port selected in Laser window?

You may want to confirm that you’re getting a COM port visible in Device Manager.

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