I have started to get Connectivity problems since I installed 9.0.02. This only happens when the filename exists on the Laser Cutter and prompts to over-write it. I select to over-write it. I then get a “Transfer Failed”, message stating that the Laser might be busy and the Status changes from Ready to Disconnected. After a while the Status will change back to Ready. The file then transfers without a problem.
“The laser cutter” isn’t a name I recognize. Are you running a Ruida, or Trocen? Do you know the model number? I can run some tests to see if anything has changed, but honestly not much has in the back ends of these for a while.
How many files do you have on your controller? Overwriting a file requires deleting it first, and if you have many files (or even just a few very large ones) deletion takes a decent amount of time. If it takes more than a few seconds, LightBurn would time out waiting for it.